47522694917 has 2 divisors, whose sum is σ = 47522694918. Its totient is φ = 47522694916.

The previous prime is 47522694847. The next prime is 47522694937. The reversal of 47522694917 is 71949622574.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44290886116 + 3231808801 = 210454^2 + 56849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47522694917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47522694937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23761347458 + 23761347459.

It is an arithmetic number, because the mean of its divisors is an integer number (23761347459).

Almost surely, 2^47522694917 is an apocalyptic number.

It is an amenable number.

47522694917 is a deficient number, since it is larger than the sum of its proper divisors (1).

47522694917 is an equidigital number, since it uses as much as digits as its factorization.

47522694917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The spelling of 47522694917 in words is "forty-seven billion, five hundred twenty-two million, six hundred ninety-four thousand, nine hundred seventeen".