42039691359 has 32 divisors (see below), whose sum is σ = 57691243008. Its totient is φ = 27220032000.

The previous prime is 42039691339. The next prime is 42039691429. The reversal of 42039691359 is 95319693024.

42039691359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42039691359 - 2³² = 37744724063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42039691339) 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, 24426619 + ... + 24428339.

It is an arithmetic number, because the mean of its divisors is an integer number (1802851344).

Almost surely, 2^42039691359 is an apocalyptic number.

42039691359 is a deficient number, since it is larger than the sum of its proper divisors (15651551649).

42039691359 is a wasteful number, since it uses less digits than its factorization.

42039691359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 1574640, while the sum is 51.

The spelling of 42039691359 in words is "forty-two billion, thirty-nine million, six hundred ninety-one thousand, three hundred fifty-nine".