47623672637 has 2 divisors, whose sum is σ = 47623672638. Its totient is φ = 47623672636.

The previous prime is 47623672601. The next prime is 47623672639. The reversal of 47623672637 is 73627632674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47533156441 + 90516196 = 218021^2 + 9514^2 .

It is a cyclic number.

It is not a de Polignac number, because 47623672637 - 2¹⁸ = 47623410493 is a prime.

It is a super-2 number, since 2×47623672637² (a number of 22 digits) contains 22 as substring.

Together with 47623672639, 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 (47623672639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23811836318 + 23811836319.

It is an arithmetic number, because the mean of its divisors is an integer number (23811836319).

Almost surely, 2^47623672637 is an apocalyptic number.

It is an amenable number.

47623672637 is a deficient number, since it is larger than the sum of its proper divisors (1).

47623672637 is an equidigital number, since it uses as much as digits as its factorization.

47623672637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10668672, while the sum is 53.

The spelling of 47623672637 in words is "forty-seven billion, six hundred twenty-three million, six hundred seventy-two thousand, six hundred thirty-seven".