80599421345 has 16 divisors (see below), whose sum is σ = 99153648720. Its totient is φ = 62859033600.

The previous prime is 80599421317. The next prime is 80599421389. The reversal of 80599421345 is 54312499508.

It can be written as a sum of positive squares in 8 ways, for example, as 4485784576 + 76113636769 = 66976^2 + 275887^2 .

It is not a de Polignac number, because 80599421345 - 2²⁶ = 80532312481 is a prime.

It is a super-2 number, since 2×80599421345² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80599421293 and 80599421302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121991 + ... + 419619.

It is an arithmetic number, because the mean of its divisors is an integer number (6197103045).

Almost surely, 2^80599421345 is an apocalyptic number.

It is an amenable number.

80599421345 is a deficient number, since it is larger than the sum of its proper divisors (18554227375).

80599421345 is a wasteful number, since it uses less digits than its factorization.

80599421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298996.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 80599421345 in words is "eighty billion, five hundred ninety-nine million, four hundred twenty-one thousand, three hundred forty-five".