95431975421 has 4 divisors (see below), whose sum is σ = 101045621052. Its totient is φ = 89818329792.

The previous prime is 95431975411. The next prime is 95431975427. The reversal of 95431975421 is 12457913459.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12457913459 = 4357 ⋅2859287.

It can be written as a sum of positive squares in 2 ways, for example, as 27070120900 + 68361854521 = 164530^2 + 261461^2 .

It is a cyclic number.

It is not a de Polignac number, because 95431975421 - 2²² = 95427781117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 95431975421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95431975427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806822790 + ... + 2806822823.

It is an arithmetic number, because the mean of its divisors is an integer number (25261405263).

Almost surely, 2^95431975421 is an apocalyptic number.

It is an amenable number.

95431975421 is a deficient number, since it is larger than the sum of its proper divisors (5613645631).

95431975421 is a wasteful number, since it uses less digits than its factorization.

95431975421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613645630.

The product of its digits is 1360800, while the sum is 50.

The spelling of 95431975421 in words is "ninety-five billion, four hundred thirty-one million, nine hundred seventy-five thousand, four hundred twenty-one".