104642272865 has 8 divisors (see below), whose sum is σ = 135230014248. Its totient is φ = 77274293760.

The previous prime is 104642272849. The next prime is 104642272877. The reversal of 104642272865 is 568272246401.

It can be written as a sum of positive squares in 4 ways, for example, as 4518125089 + 100124147776 = 67217^2 + 316424^2 .

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

It is not a de Polignac number, because 104642272865 - 2⁴ = 104642272849 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 7 ways as a sum of consecutive naturals, for example, 804940496 + ... + 804940625.

It is an arithmetic number, because the mean of its divisors is an integer number (16903751781).

Almost surely, 2^104642272865 is an apocalyptic number.

It is an amenable number.

104642272865 is a deficient number, since it is larger than the sum of its proper divisors (30587741383).

104642272865 is a wasteful number, since it uses less digits than its factorization.

104642272865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609881139.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 104642272865 in words is "one hundred four billion, six hundred forty-two million, two hundred seventy-two thousand, eight hundred sixty-five".