42357744939 has 16 divisors (see below), whose sum is σ = 58312039424. Its totient is φ = 27321386400.

The previous prime is 42357744907. The next prime is 42357744959. The reversal of 42357744939 is 93944775324.

It is not a de Polignac number, because 42357744939 - 2⁵ = 42357744907 is a prime.

It is a super-2 number, since 2×42357744939² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42357744959) 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, 380472 + ... + 479034.

It is an arithmetic number, because the mean of its divisors is an integer number (3644502464).

Almost surely, 2^42357744939 is an apocalyptic number.

42357744939 is a deficient number, since it is larger than the sum of its proper divisors (15954294485).

42357744939 is a wasteful number, since it uses less digits than its factorization.

42357744939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103218.

The product of its digits is 22861440, while the sum is 57.

The spelling of 42357744939 in words is "forty-two billion, three hundred fifty-seven million, seven hundred forty-four thousand, nine hundred thirty-nine".