80963692353 has 6 divisors (see below), whose sum is σ = 116947555634. Its totient is φ = 53975794896.

The previous prime is 80963692309. The next prime is 80963692399. The reversal of 80963692353 is 35329636908.

It can be written as a sum of positive squares in only one way, i.e., 45690345009 + 35273347344 = 213753^2 + 187812^2 .

It is not a de Polignac number, because 80963692353 - 2⁸ = 80963692097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80963692353.

It is not an unprimeable number, because it can be changed into a prime (80963694353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4497982900 + ... + 4497982917.

Almost surely, 2^80963692353 is an apocalyptic number.

It is an amenable number.

80963692353 is a deficient number, since it is larger than the sum of its proper divisors (35983863281).

80963692353 is a wasteful number, since it uses less digits than its factorization.

80963692353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995965823 (or 8995965820 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 80963692353 in words is "eighty billion, nine hundred sixty-three million, six hundred ninety-two thousand, three hundred fifty-three".