42876245586631 has 2 divisors, whose sum is σ = 42876245586632. Its totient is φ = 42876245586630.

The previous prime is 42876245586529. The next prime is 42876245586667. The reversal of 42876245586631 is 13668554267824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42876245586631 - 2¹⁵ = 42876245553863 is a prime.

It is a super-2 number, since 2×42876245586631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42876245586731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21438122793315 + 21438122793316.

It is an arithmetic number, because the mean of its divisors is an integer number (21438122793316).

Almost surely, 2^{42876245586631} is an apocalyptic number.

42876245586631 is a deficient number, since it is larger than the sum of its proper divisors (1).

42876245586631 is an equidigital number, since it uses as much as digits as its factorization.

42876245586631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 464486400, while the sum is 67.

The spelling of 42876245586631 in words is "forty-two trillion, eight hundred seventy-six billion, two hundred forty-five million, five hundred eighty-six thousand, six hundred thirty-one".