75639425644375 has 20 divisors (see below), whose sum is σ = 94520190319632. Its totient is φ = 60510795296000.

The previous prime is 75639425644339. The next prime is 75639425644381. The reversal of 75639425644375 is 57344652493657.

It is not a de Polignac number, because 75639425644375 - 2³³ = 75630835709783 is a prime.

It is a Duffinian number.

It is a congruent 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, 53162247 + ... + 54566503.

Almost surely, 2^{75639425644375} is an apocalyptic number.

75639425644375 is a deficient number, since it is larger than the sum of its proper divisors (18880764675257).

75639425644375 is an equidigital number, since it uses as much as digits as its factorization.

75639425644375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490460 (or 1490445 counting only the distinct ones).

The product of its digits is 2286144000, while the sum is 70.

The spelling of 75639425644375 in words is "seventy-five trillion, six hundred thirty-nine billion, four hundred twenty-five million, six hundred forty-four thousand, three hundred seventy-five".