42852339531 has 12 divisors (see below), whose sum is σ = 64589033808. Its totient is φ = 27326129424.

The previous prime is 42852339473. The next prime is 42852339539. The reversal of 42852339531 is 13593325824.

42852339531 is a `hidden beast` number, since 4 + 2 + 8 + 523 + 3 + 95 + 31 = 666.

It is not a de Polignac number, because 42852339531 - 2¹⁷ = 42852208459 is a prime.

It is a super-2 number, since 2×42852339531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42852339539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103507860 + ... + 103508273.

It is an arithmetic number, because the mean of its divisors is an integer number (5382419484).

Almost surely, 2^42852339531 is an apocalyptic number.

42852339531 is a deficient number, since it is larger than the sum of its proper divisors (21736694277).

42852339531 is a wasteful number, since it uses less digits than its factorization.

42852339531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207016162 (or 207016159 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 42852339531 in words is "forty-two billion, eight hundred fifty-two million, three hundred thirty-nine thousand, five hundred thirty-one".