813401404751 has 8 divisors (see below), whose sum is σ = 884475315360. Its totient is φ = 743542432992.

The previous prime is 813401404679. The next prime is 813401404757. The reversal of 813401404751 is 157404104318.

813401404751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 813401404751 - 2³⁸ = 538523497807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813401404757) 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, 303733316 + ... + 303735993.

It is an arithmetic number, because the mean of its divisors is an integer number (110559414420).

Almost surely, 2^813401404751 is an apocalyptic number.

813401404751 is a deficient number, since it is larger than the sum of its proper divisors (71073910609).

813401404751 is a wasteful number, since it uses less digits than its factorization.

813401404751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607469425.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 813401404751 in words is "eight hundred thirteen billion, four hundred one million, four hundred four thousand, seven hundred fifty-one".