23749649263 has 2 divisors, whose sum is σ = 23749649264. Its totient is φ = 23749649262.

The previous prime is 23749649249. The next prime is 23749649309. The reversal of 23749649263 is 36294694732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23749649263 - 2²¹ = 23747552111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23749649233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874824631 + 11874824632.

It is an arithmetic number, because the mean of its divisors is an integer number (11874824632).

Almost surely, 2^23749649263 is an apocalyptic number.

23749649263 is a deficient number, since it is larger than the sum of its proper divisors (1).

23749649263 is an equidigital number, since it uses as much as digits as its factorization.

23749649263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 55.

The spelling of 23749649263 in words is "twenty-three billion, seven hundred forty-nine million, six hundred forty-nine thousand, two hundred sixty-three".