42631741771 has 2 divisors, whose sum is σ = 42631741772. Its totient is φ = 42631741770.

The previous prime is 42631741729. The next prime is 42631741781. The reversal of 42631741771 is 17714713624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42631741771 - 2³⁵ = 8272003403 is a prime.

It is not a weakly prime, because it can be changed into another prime (42631741781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21315870885 + 21315870886.

It is an arithmetic number, because the mean of its divisors is an integer number (21315870886).

Almost surely, 2^42631741771 is an apocalyptic number.

42631741771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42631741771 is an equidigital number, since it uses as much as digits as its factorization.

42631741771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The spelling of 42631741771 in words is "forty-two billion, six hundred thirty-one million, seven hundred forty-one thousand, seven hundred seventy-one".