23812805749 has 2 divisors, whose sum is σ = 23812805750. Its totient is φ = 23812805748.

The previous prime is 23812805741. The next prime is 23812805813. The reversal of 23812805749 is 94750821832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22125075025 + 1687730724 = 148745^2 + 41082^2 .

It is a cyclic number.

It is not a de Polignac number, because 23812805749 - 2³ = 23812805741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23812805741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11906402874 + 11906402875.

It is an arithmetic number, because the mean of its divisors is an integer number (11906402875).

Almost surely, 2^23812805749 is an apocalyptic number.

It is an amenable number.

23812805749 is a deficient number, since it is larger than the sum of its proper divisors (1).

23812805749 is an equidigital number, since it uses as much as digits as its factorization.

23812805749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 23812805749 in words is "twenty-three billion, eight hundred twelve million, eight hundred five thousand, seven hundred forty-nine".