47317125629 has 2 divisors, whose sum is σ = 47317125630. Its totient is φ = 47317125628.

The previous prime is 47317125533. The next prime is 47317125631. The reversal of 47317125629 is 92652171374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47317125625 + 4 = 217525^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47317125629 is a prime.

Together with 47317125631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47317125649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23658562814 + 23658562815.

It is an arithmetic number, because the mean of its divisors is an integer number (23658562815).

Almost surely, 2^47317125629 is an apocalyptic number.

It is an amenable number.

47317125629 is a deficient number, since it is larger than the sum of its proper divisors (1).

47317125629 is an equidigital number, since it uses as much as digits as its factorization.

47317125629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The spelling of 47317125629 in words is "forty-seven billion, three hundred seventeen million, one hundred twenty-five thousand, six hundred twenty-nine".