42846873232531 has 2 divisors, whose sum is σ = 42846873232532. Its totient is φ = 42846873232530.

The previous prime is 42846873232453. The next prime is 42846873232621. The reversal of 42846873232531 is 13523237864824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42846873232531 - 2²⁷ = 42846739014803 is a prime.

It is a super-2 number, since 2×42846873232531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42846871232531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423436616265 + 21423436616266.

It is an arithmetic number, because the mean of its divisors is an integer number (21423436616266).

Almost surely, 2^{42846873232531} is an apocalyptic number.

42846873232531 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846873232531 is an equidigital number, since it uses as much as digits as its factorization.

42846873232531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46448640, while the sum is 58.

The spelling of 42846873232531 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred seventy-three million, two hundred thirty-two thousand, five hundred thirty-one".