12553674657 has 24 divisors (see below), whose sum is σ = 17892112320. Its totient is φ = 7819812000.

The previous prime is 12553674647. The next prime is 12553674677. The reversal of 12553674657 is 75647635521.

It is not a de Polignac number, because 12553674657 - 2⁴ = 12553674641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12553674647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8532 + ... + 158682.

It is an arithmetic number, because the mean of its divisors is an integer number (745504680).

Almost surely, 2^12553674657 is an apocalyptic number.

It is an amenable number.

12553674657 is a deficient number, since it is larger than the sum of its proper divisors (5338437663).

12553674657 is a wasteful number, since it uses less digits than its factorization.

12553674657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150245 (or 150214 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 51.

The spelling of 12553674657 in words is "twelve billion, five hundred fifty-three million, six hundred seventy-four thousand, six hundred fifty-seven".