80649091578119 has 24 divisors (see below), whose sum is σ = 84252061335456. Its totient is φ = 77177928816000.

The previous prime is 80649091578047. The next prime is 80649091578127. The reversal of 80649091578119 is 91187519094608.

It is a de Polignac number, because none of the positive numbers 2^k-80649091578119 is a prime.

It is a super-2 number, since 2×80649091578119² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80649091578179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2109501734 + ... + 2109539964.

It is an arithmetic number, because the mean of its divisors is an integer number (3510502555644).

Almost surely, 2^{80649091578119} is an apocalyptic number.

80649091578119 is a deficient number, since it is larger than the sum of its proper divisors (3602969757337).

80649091578119 is a wasteful number, since it uses less digits than its factorization.

80649091578119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63627 (or 63590 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 68.

The spelling of 80649091578119 in words is "eighty trillion, six hundred forty-nine billion, ninety-one million, five hundred seventy-eight thousand, one hundred nineteen".