80669336913 has 128 divisors (see below), whose sum is σ = 138810777600. Its totient is φ = 45853516800.

The previous prime is 80669336873. The next prime is 80669336929. The reversal of 80669336913 is 31963396608.

It is a happy number.

It is not a de Polignac number, because 80669336913 - 2¹² = 80669332817 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80669336913.

It is not an unprimeable number, because it can be changed into a prime (80669334913) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 37328553 + ... + 37330713.

It is an arithmetic number, because the mean of its divisors is an integer number (1084459200).

Almost surely, 2^80669336913 is an apocalyptic number.

It is an amenable number.

80669336913 is a deficient number, since it is larger than the sum of its proper divisors (58141440687).

80669336913 is a wasteful number, since it uses less digits than its factorization.

80669336913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 80669336913 in words is "eighty billion, six hundred sixty-nine million, three hundred thirty-six thousand, nine hundred thirteen".