971430624613 has 2 divisors, whose sum is σ = 971430624614. Its totient is φ = 971430624612.

The previous prime is 971430624611. The next prime is 971430624667. The reversal of 971430624613 is 316426034179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944049310884 + 27381313729 = 971622^2 + 165473^2 .

It is a cyclic number.

It is not a de Polignac number, because 971430624613 - 2¹ = 971430624611 is a prime.

Together with 971430624611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971430624611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485715312306 + 485715312307.

It is an arithmetic number, because the mean of its divisors is an integer number (485715312307).

Almost surely, 2^971430624613 is an apocalyptic number.

It is an amenable number.

971430624613 is a deficient number, since it is larger than the sum of its proper divisors (1).

971430624613 is an equidigital number, since it uses as much as digits as its factorization.

971430624613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 971430624613 in words is "nine hundred seventy-one billion, four hundred thirty million, six hundred twenty-four thousand, six hundred thirteen".