23928969769 has 16 divisors (see below), whose sum is σ = 25986456720. Its totient is φ = 21945047040.

The previous prime is 23928969763. The next prime is 23928969787. The reversal of 23928969769 is 96796982932.

It can be written as a sum of positive squares in 8 ways, for example, as 95785369 + 23833184400 = 9787^2 + 154380^2 .

It is not a de Polignac number, because 23928969769 - 2³ = 23928969761 is a prime.

It is a super-2 number, since 2×23928969769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23928969698 and 23928969707.

It is not an unprimeable number, because it can be changed into a prime (23928969761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557107 + ... + 598519.

It is an arithmetic number, because the mean of its divisors is an integer number (1624153545).

Almost surely, 2^23928969769 is an apocalyptic number.

It is an amenable number.

23928969769 is a deficient number, since it is larger than the sum of its proper divisors (2057486951).

23928969769 is a wasteful number, since it uses less digits than its factorization.

23928969769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42300.

The product of its digits is 158723712, while the sum is 70.

The spelling of 23928969769 in words is "twenty-three billion, nine hundred twenty-eight million, nine hundred sixty-nine thousand, seven hundred sixty-nine".