3921592050601 has 3 divisors (see below), whose sum is σ = 3921594030903. Its totient is φ = 3921590070300.

The previous prime is 3921592050569. The next prime is 3921592050611. The reversal of 3921592050601 is 1060502951293.

The square root of 3921592050601 is 1980301.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2343804840601 + 1577787210000 = 1530949^2 + 1256100^2 .

It is not a de Polignac number, because 3921592050601 - 2⁵ = 3921592050569 is a prime.

It is a super-2 number, since 2×3921592050601² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3921592050611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 990151 + ... + 2970451.

It is an arithmetic number, because the mean of its divisors is an integer number (1307198010301).

Almost surely, 2^{3921592050601} is an apocalyptic number.

3921592050601 is the 1980301-st square number.

3921592050601 is the 990151-st centered octagonal number.

It is an amenable number.

3921592050601 is a deficient number, since it is larger than the sum of its proper divisors (1980302).

3921592050601 is an frugal number, since it uses more digits than its factorization.

3921592050601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960602 (or 1980301 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 3921592050601 in words is "three trillion, nine hundred twenty-one billion, five hundred ninety-two million, fifty thousand, six hundred one".