28417531465 has 8 divisors (see below), whose sum is σ = 34102127808. Its totient is φ = 22733298480.

The previous prime is 28417531459. The next prime is 28417531501. The reversal of 28417531465 is 56413571482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28417531465 - 2²³ = 28409142857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130060 + ... + 271570.

It is an arithmetic number, because the mean of its divisors is an integer number (4262765976).

Almost surely, 2^28417531465 is an apocalyptic number.

It is an amenable number.

28417531465 is a deficient number, since it is larger than the sum of its proper divisors (5684596343).

28417531465 is a wasteful number, since it uses less digits than its factorization.

28417531465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181679.

The product of its digits is 806400, while the sum is 46.

The spelling of 28417531465 in words is "twenty-eight billion, four hundred seventeen million, five hundred thirty-one thousand, four hundred sixty-five".