14653672561 has 4 divisors (see below), whose sum is σ = 15985824624. Its totient is φ = 13321520500.

The previous prime is 14653672543. The next prime is 14653672573. The reversal of 14653672561 is 16527635641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14653672561 - 2⁷ = 14653672433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14653672541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666076015 + ... + 666076036.

It is an arithmetic number, because the mean of its divisors is an integer number (3996456156).

Almost surely, 2^14653672561 is an apocalyptic number.

14653672561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14653672561 is a deficient number, since it is larger than the sum of its proper divisors (1332152063).

14653672561 is a wasteful number, since it uses less digits than its factorization.

14653672561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332152062.

The product of its digits is 907200, while the sum is 46.

The spelling of 14653672561 in words is "fourteen billion, six hundred fifty-three million, six hundred seventy-two thousand, five hundred sixty-one".