80308562465 has 4 divisors (see below), whose sum is σ = 96370274964. Its totient is φ = 64246849968.

The previous prime is 80308562311. The next prime is 80308562539. The reversal of 80308562465 is 56426580308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14980780816 + 65327781649 = 122396^2 + 255593^2 .

It is a cyclic number.

It is not a de Polignac number, because 80308562465 - 2²⁰ = 80307513889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030856242 + ... + 8030856251.

It is an arithmetic number, because the mean of its divisors is an integer number (24092568741).

Almost surely, 2^80308562465 is an apocalyptic number.

It is an amenable number.

80308562465 is a deficient number, since it is larger than the sum of its proper divisors (16061712499).

80308562465 is a wasteful number, since it uses less digits than its factorization.

80308562465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061712498.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 80308562465 in words is "eighty billion, three hundred eight million, five hundred sixty-two thousand, four hundred sixty-five".