23926747769 has 2 divisors, whose sum is σ = 23926747770. Its totient is φ = 23926747768.

The previous prime is 23926747753. The next prime is 23926747777. The reversal of 23926747769 is 96774762932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22022560000 + 1904187769 = 148400^2 + 43637^2 .

It is a cyclic number.

It is not a de Polignac number, because 23926747769 - 2⁴ = 23926747753 is a prime.

It is a super-2 number, since 2×23926747769² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23926747739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11963373884 + 11963373885.

It is an arithmetic number, because the mean of its divisors is an integer number (11963373885).

Almost surely, 2^23926747769 is an apocalyptic number.

It is an amenable number.

23926747769 is a deficient number, since it is larger than the sum of its proper divisors (1).

23926747769 is an equidigital number, since it uses as much as digits as its factorization.

23926747769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48009024, while the sum is 62.

The spelling of 23926747769 in words is "twenty-three billion, nine hundred twenty-six million, seven hundred forty-seven thousand, seven hundred sixty-nine".