42016713971 has 2 divisors, whose sum is σ = 42016713972. Its totient is φ = 42016713970.

The previous prime is 42016713917. The next prime is 42016713997. The reversal of 42016713971 is 17931761024.

Together with previous prime (42016713917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42016713971 is a prime.

It is not a weakly prime, because it can be changed into another prime (42016715971) 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, 21008356985 + 21008356986.

It is an arithmetic number, because the mean of its divisors is an integer number (21008356986).

Almost surely, 2^42016713971 is an apocalyptic number.

42016713971 is a deficient number, since it is larger than the sum of its proper divisors (1).

42016713971 is an equidigital number, since it uses as much as digits as its factorization.

42016713971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 42016713971 in words is "forty-two billion, sixteen million, seven hundred thirteen thousand, nine hundred seventy-one".