813735021162 has 16 divisors (see below), whose sum is σ = 1859965762752. Its totient is φ = 232495720320.

The previous prime is 813735021107. The next prime is 813735021181. The reversal of 813735021162 is 261120537318.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 813735021162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9687321639 + ... + 9687321722.

It is an arithmetic number, because the mean of its divisors is an integer number (116247860172).

Almost surely, 2^813735021162 is an apocalyptic number.

813735021162 is an abundant number, since it is smaller than the sum of its proper divisors (1046230741590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813735021162 is a wasteful number, since it uses less digits than its factorization.

813735021162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19374643373.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 813735021162 in words is "eight hundred thirteen billion, seven hundred thirty-five million, twenty-one thousand, one hundred sixty-two".