102438930865 has 8 divisors (see below), whose sum is σ = 122930219520. Its totient is φ = 81948809712.

The previous prime is 102438930817. The next prime is 102438930907. The reversal of 102438930865 is 568039834201.

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

It is a cyclic number.

It is not a de Polignac number, because 102438930865 - 2³⁵ = 68079192497 is a prime.

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, 85585 + ... + 460654.

It is an arithmetic number, because the mean of its divisors is an integer number (15366277440).

Almost surely, 2^102438930865 is an apocalyptic number.

It is an amenable number.

102438930865 is a deficient number, since it is larger than the sum of its proper divisors (20491288655).

102438930865 is an equidigital number, since it uses as much as digits as its factorization.

102438930865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583751.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 102438930865 in words is "one hundred two billion, four hundred thirty-eight million, nine hundred thirty thousand, eight hundred sixty-five".