4020972431395 has 16 divisors (see below), whose sum is σ = 4887443040480. Its totient is φ = 3175431035904.

The previous prime is 4020972431389. The next prime is 4020972431401. The reversal of 4020972431395 is 5931342790204.

It is an interprime number because it is at equal distance from previous prime (4020972431389) and next prime (4020972431401).

It is not a de Polignac number, because 4020972431395 - 2⁵ = 4020972431363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10467717 + ... + 10845046.

It is an arithmetic number, because the mean of its divisors is an integer number (305465190030).

Almost surely, 2^{4020972431395} is an apocalyptic number.

4020972431395 is a deficient number, since it is larger than the sum of its proper divisors (866470609085).

4020972431395 is a wasteful number, since it uses less digits than its factorization.

4020972431395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313254.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 4020972431395 in words is "four trillion, twenty billion, nine hundred seventy-two million, four hundred thirty-one thousand, three hundred ninety-five".