801951923913 has 8 divisors (see below), whose sum is σ = 1222021979328. Its totient is φ = 458258242224.

The previous prime is 801951923891. The next prime is 801951923947. The reversal of 801951923913 is 319329159108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 801951923913 - 2⁸ = 801951923657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801951923713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19094093406 + ... + 19094093447.

It is an arithmetic number, because the mean of its divisors is an integer number (152752747416).

Almost surely, 2^801951923913 is an apocalyptic number.

It is an amenable number.

801951923913 is a deficient number, since it is larger than the sum of its proper divisors (420070055415).

801951923913 is a wasteful number, since it uses less digits than its factorization.

801951923913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38188186863.

The product of its (nonzero) digits is 524880, while the sum is 51.

The spelling of 801951923913 in words is "eight hundred one billion, nine hundred fifty-one million, nine hundred twenty-three thousand, nine hundred thirteen".