69438131875 has 20 divisors (see below), whose sum is σ = 99165594352. Its totient is φ = 47614716000.

The previous prime is 69438131863. The next prime is 69438131897. The reversal of 69438131875 is 57813183496.

It is not a de Polignac number, because 69438131875 - 2¹³ = 69438123683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7931412 + ... + 7940161.

Almost surely, 2^69438131875 is an apocalyptic number.

69438131875 is a deficient number, since it is larger than the sum of its proper divisors (29727462477).

69438131875 is an equidigital number, since it uses as much as digits as its factorization.

69438131875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871600 (or 15871585 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 69438131875 in words is "sixty-nine billion, four hundred thirty-eight million, one hundred thirty-one thousand, eight hundred seventy-five".