12649554754 has 16 divisors (see below), whose sum is σ = 19010880000. Its totient is φ = 6312608640.

The previous prime is 12649554751. The next prime is 12649554767. The reversal of 12649554754 is 45745594621.

It is a super-2 number, since 2×12649554754² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12649554751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752999 + ... + 2757589.

It is an arithmetic number, because the mean of its divisors is an integer number (1188180000).

Almost surely, 2^12649554754 is an apocalyptic number.

12649554754 is a deficient number, since it is larger than the sum of its proper divisors (6361325246).

12649554754 is a wasteful number, since it uses less digits than its factorization.

12649554754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945.

The product of its digits is 6048000, while the sum is 52.

The spelling of 12649554754 in words is "twelve billion, six hundred forty-nine million, five hundred fifty-four thousand, seven hundred fifty-four".