2399001374641 has 3 divisors (see below), whose sum is σ = 2399002923513. Its totient is φ = 2398999825770.

The previous prime is 2399001374569. The next prime is 2399001374647. The reversal of 2399001374641 is 1464731009932.

The square root of 2399001374641 is 1548871.

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 is not a de Polignac number, because 2399001374641 - 2⁷ = 2399001374513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399001374647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 774436 + ... + 2323306.

It is an arithmetic number, because the mean of its divisors is an integer number (799667641171).

Almost surely, 2^{2399001374641} is an apocalyptic number.

2399001374641 is the 1548871-st square number.

2399001374641 is the 774436-th centered octagonal number.

It is an amenable number.

2399001374641 is a deficient number, since it is larger than the sum of its proper divisors (1548872).

2399001374641 is an frugal number, since it uses more digits than its factorization.

2399001374641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097742 (or 1548871 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

Multiplying 2399001374641 by its sum of digits (49), we get a square (117551067357409 = 10842097²).

The spelling of 2399001374641 in words is "two trillion, three hundred ninety-nine billion, one million, three hundred seventy-four thousand, six hundred forty-one".