813441080751 has 32 divisors (see below), whose sum is σ = 1188630643200. Its totient is φ = 491785202304.

The previous prime is 813441080747. The next prime is 813441080779. The reversal of 813441080751 is 157080144318.

It is not a de Polignac number, because 813441080751 - 2² = 813441080747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813441080251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557350 + ... + 1391948.

It is an arithmetic number, because the mean of its divisors is an integer number (37144707600).

Almost surely, 2^813441080751 is an apocalyptic number.

813441080751 is a deficient number, since it is larger than the sum of its proper divisors (375189562449).

813441080751 is a wasteful number, since it uses less digits than its factorization.

813441080751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835055.

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 813441080751 in words is "eight hundred thirteen billion, four hundred forty-one million, eighty thousand, seven hundred fifty-one".