1913932323825 has 48 divisors (see below), whose sum is σ = 3172543610880. Its totient is φ = 1018129884480.

The previous prime is 1913932323767. The next prime is 1913932323833. The reversal of 1913932323825 is 5283232393191.

It is a happy number.

It is not a de Polignac number, because 1913932323825 - 2⁹ = 1913932323313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49330384 + ... + 49369166.

It is an arithmetic number, because the mean of its divisors is an integer number (66094658560).

Almost surely, 2^{1913932323825} is an apocalyptic number.

1913932323825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1913932323825 is a deficient number, since it is larger than the sum of its proper divisors (1258611287055).

1913932323825 is a wasteful number, since it uses less digits than its factorization.

1913932323825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40478 (or 40473 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The spelling of 1913932323825 in words is "one trillion, nine hundred thirteen billion, nine hundred thirty-two million, three hundred twenty-three thousand, eight hundred twenty-five".