3924722513 has 4 divisors (see below), whose sum is σ = 3925121088. Its totient is φ = 3924323940.

The previous prime is 3924722509. The next prime is 3924722537. The reversal of 3924722513 is 3152274293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3152274293 = 7 ⋅450324899.

It is a cyclic number.

It is not a de Polignac number, because 3924722513 - 2² = 3924722509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3924722563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184133 + ... + 204338.

It is an arithmetic number, because the mean of its divisors is an integer number (981280272).

Almost surely, 2^3924722513 is an apocalyptic number.

It is an amenable number.

3924722513 is a deficient number, since it is larger than the sum of its proper divisors (398575).

3924722513 is a wasteful number, since it uses less digits than its factorization.

3924722513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398574.

The product of its digits is 90720, while the sum is 38.

The square root of 3924722513 is about 62647.6058042125. The cubic root of 3924722513 is about 1577.3799595049.

The spelling of 3924722513 in words is "three billion, nine hundred twenty-four million, seven hundred twenty-two thousand, five hundred thirteen".