23549314465 has 16 divisors (see below), whose sum is σ = 28449137808. Its totient is φ = 18713016576.

The previous prime is 23549314433. The next prime is 23549314493. The reversal of 23549314465 is 56441394532.

It can be written as a sum of positive squares in 8 ways, for example, as 1037612944 + 22511701521 = 32212^2 + 150039^2 .

It is a cyclic number.

It is not a de Polignac number, because 23549314465 - 2⁵ = 23549314433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954019 + ... + 978391.

It is an arithmetic number, because the mean of its divisors is an integer number (1778071113).

Almost surely, 2^23549314465 is an apocalyptic number.

It is an amenable number.

23549314465 is a deficient number, since it is larger than the sum of its proper divisors (4899823343).

23549314465 is a wasteful number, since it uses less digits than its factorization.

23549314465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25668.

The product of its digits is 1555200, while the sum is 46.

The spelling of 23549314465 in words is "twenty-three billion, five hundred forty-nine million, three hundred fourteen thousand, four hundred sixty-five".