42897290898231 has 24 divisors (see below), whose sum is σ = 77252264129664. Its totient is φ = 22284306959760.

The previous prime is 42897290898197. The next prime is 42897290898269. The reversal of 42897290898231 is 13289809279824.

42897290898231 is a `hidden beast` number, since 4 + 28 + 9 + 7 + 290 + 89 + 8 + 231 = 666.

It is not a de Polignac number, because 42897290898231 - 2¹¹ = 42897290896183 is a prime.

It is a super-2 number, since 2×42897290898231² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42897290898231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42897290898131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30950425641 + ... + 30950427026.

It is an arithmetic number, because the mean of its divisors is an integer number (3218844338736).

Almost surely, 2^{42897290898231} is an apocalyptic number.

42897290898231 is a deficient number, since it is larger than the sum of its proper divisors (34354973231433).

42897290898231 is a wasteful number, since it uses less digits than its factorization.

42897290898231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61900852691 (or 61900852688 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 72.

The spelling of 42897290898231 in words is "forty-two trillion, eight hundred ninety-seven billion, two hundred ninety million, eight hundred ninety-eight thousand, two hundred thirty-one".