42463717931 has 2 divisors, whose sum is σ = 42463717932. Its totient is φ = 42463717930.

The previous prime is 42463717871. The next prime is 42463717979. The reversal of 42463717931 is 13971736424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42463717931 - 2⁶ = 42463717867 is a prime.

It is a super-2 number, since 2×42463717931² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42463737931) 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, 21231858965 + 21231858966.

It is an arithmetic number, because the mean of its divisors is an integer number (21231858966).

Almost surely, 2^42463717931 is an apocalyptic number.

42463717931 is a deficient number, since it is larger than the sum of its proper divisors (1).

42463717931 is an equidigital number, since it uses as much as digits as its factorization.

42463717931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The spelling of 42463717931 in words is "forty-two billion, four hundred sixty-three million, seven hundred seventeen thousand, nine hundred thirty-one".