23349979249 has 9 divisors (see below), whose sum is σ = 23939804811. Its totient is φ = 22774355280.

The previous prime is 23349979229. The next prime is 23349979259. The reversal of 23349979249 is 94297994332.

The square root of 23349979249 is 152807.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1125132849 + 22224846400 = 33543^2 + 149080^2 .

It is not a de Polignac number, because 23349979249 - 2¹⁵ = 23349946481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23349979229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6263224 + ... + 6266950.

Almost surely, 2^23349979249 is an apocalyptic number.

23349979249 is the 152807-th square number.

23349979249 is the 76404-th centered octagonal number.

It is an amenable number.

23349979249 is a deficient number, since it is larger than the sum of its proper divisors (589825562).

23349979249 is an frugal number, since it uses more digits than its factorization.

23349979249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536 (or 3768 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 61.

The spelling of 23349979249 in words is "twenty-three billion, three hundred forty-nine million, nine hundred seventy-nine thousand, two hundred forty-nine".