23737049537 has 2 divisors, whose sum is σ = 23737049538. Its totient is φ = 23737049536.

The previous prime is 23737049519. The next prime is 23737049549. The reversal of 23737049537 is 73594073732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12472199041 + 11264850496 = 111679^2 + 106136^2 .

It is a cyclic number.

It is not a de Polignac number, because 23737049537 - 2¹⁰ = 23737048513 is a prime.

It is not a weakly prime, because it can be changed into another prime (23737049837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11868524768 + 11868524769.

It is an arithmetic number, because the mean of its divisors is an integer number (11868524769).

Almost surely, 2^23737049537 is an apocalyptic number.

It is an amenable number.

23737049537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23737049537 is an equidigital number, since it uses as much as digits as its factorization.

23737049537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 50.

The spelling of 23737049537 in words is "twenty-three billion, seven hundred thirty-seven million, forty-nine thousand, five hundred thirty-seven".