80046639869 has 12 divisors (see below), whose sum is σ = 94745205984. Its totient is φ = 66245490192.

The previous prime is 80046639823. The next prime is 80046639877. The reversal of 80046639869 is 96893664008.

It is a de Polignac number, because none of the positive numbers 2^k-80046639869 is a prime.

It is a super-2 number, since 2×80046639869² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80046639269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6792707 + ... + 6804480.

It is an arithmetic number, because the mean of its divisors is an integer number (7895433832).

Almost surely, 2^80046639869 is an apocalyptic number.

It is an amenable number.

80046639869 is a deficient number, since it is larger than the sum of its proper divisors (14698566115).

80046639869 is a wasteful number, since it uses less digits than its factorization.

80046639869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13597252 (or 13597223 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 80046639869 in words is "eighty billion, forty-six million, six hundred thirty-nine thousand, eight hundred sixty-nine".