42439597029 has 32 divisors (see below), whose sum is σ = 64944051200. Its totient is φ = 27362499840.

The previous prime is 42439596973. The next prime is 42439597037. The reversal of 42439597029 is 92079593424.

42439597029 is a `hidden beast` number, since 4 + 2 + 43 + 9 + 597 + 0 + 2 + 9 = 666.

It is not a de Polignac number, because 42439597029 - 2⁹ = 42439596517 is a prime.

It is a super-2 number, since 2×42439597029² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42439597429) 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, 1330977 + ... + 1362489.

It is an arithmetic number, because the mean of its divisors is an integer number (2029501600).

Almost surely, 2^42439597029 is an apocalyptic number.

It is an amenable number.

42439597029 is a deficient number, since it is larger than the sum of its proper divisors (22504454171).

42439597029 is a wasteful number, since it uses less digits than its factorization.

42439597029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33162 (or 33156 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 42439597029 in words is "forty-two billion, four hundred thirty-nine million, five hundred ninety-seven thousand, twenty-nine".