23637736481 has 2 divisors, whose sum is σ = 23637736482. Its totient is φ = 23637736480.

The previous prime is 23637736439. The next prime is 23637736483. The reversal of 23637736481 is 18463773632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15152379025 + 8485357456 = 123095^2 + 92116^2 .

It is a cyclic number.

It is not a de Polignac number, because 23637736481 - 2¹⁴ = 23637720097 is a prime.

It is a super-2 number, since 2×23637736481² (a number of 22 digits) contains 22 as substring.

Together with 23637736483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23637736483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11818868240 + 11818868241.

It is an arithmetic number, because the mean of its divisors is an integer number (11818868241).

Almost surely, 2^23637736481 is an apocalyptic number.

It is an amenable number.

23637736481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23637736481 is an equidigital number, since it uses as much as digits as its factorization.

23637736481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 50.

The spelling of 23637736481 in words is "twenty-three billion, six hundred thirty-seven million, seven hundred thirty-six thousand, four hundred eighty-one".