42507371742537 has 16 divisors (see below), whose sum is σ = 61037305497728. Its totient is φ = 26157920008320.

The previous prime is 42507371742481. The next prime is 42507371742541. The reversal of 42507371742537 is 73524717370524.

It is not a de Polignac number, because 42507371742537 - 2¹⁵ = 42507371709769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42507370742537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7397389 + ... + 11821002.

It is an arithmetic number, because the mean of its divisors is an integer number (3814831593608).

Almost surely, 2^{42507371742537} is an apocalyptic number.

It is an amenable number.

42507371742537 is a deficient number, since it is larger than the sum of its proper divisors (18529933755191).

42507371742537 is a wasteful number, since it uses less digits than its factorization.

42507371742537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275120.

The product of its (nonzero) digits is 34574400, while the sum is 57.

The spelling of 42507371742537 in words is "forty-two trillion, five hundred seven billion, three hundred seventy-one million, seven hundred forty-two thousand, five hundred thirty-seven".