12653455450 has 24 divisors (see below), whose sum is σ = 24346996380. Its totient is φ = 4886851200.

The previous prime is 12653455439. The next prime is 12653455483. The reversal of 12653455450 is 5455435621.

It can be written as a sum of positive squares in 6 ways, for example, as 3014339409 + 9639116041 = 54903^2 + 98179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4361811 + ... + 4364710.

Almost surely, 2^12653455450 is an apocalyptic number.

12653455450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12653455450 is a deficient number, since it is larger than the sum of its proper divisors (11693540930).

12653455450 is a wasteful number, since it uses less digits than its factorization.

12653455450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8726562 (or 8726557 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 12653455450 in words is "twelve billion, six hundred fifty-three million, four hundred fifty-five thousand, four hundred fifty".