42275745264021 has 32 divisors (see below), whose sum is σ = 58423668336000. Its totient is φ = 27159603115008.

The previous prime is 42275745264019. The next prime is 42275745264023. The reversal of 42275745264021 is 12046254757224.

It is an interprime number because it is at equal distance from previous prime (42275745264019) and next prime (42275745264023).

It is not a de Polignac number, because 42275745264021 - 2¹ = 42275745264019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42275745264023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141635425 + ... + 141933593.

It is an arithmetic number, because the mean of its divisors is an integer number (1825739635500).

Almost surely, 2^{42275745264021} is an apocalyptic number.

It is an amenable number.

42275745264021 is a deficient number, since it is larger than the sum of its proper divisors (16147923071979).

42275745264021 is a wasteful number, since it uses less digits than its factorization.

42275745264021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301333.

The product of its (nonzero) digits is 7526400, while the sum is 51.

The spelling of 42275745264021 in words is "forty-two trillion, two hundred seventy-five billion, seven hundred forty-five million, two hundred sixty-four thousand, twenty-one".