12454436554 has 16 divisors (see below), whose sum is σ = 21355460928. Its totient is φ = 5336366112.

The previous prime is 12454436549. The next prime is 12454436567. The reversal of 12454436554 is 45563445421.

It is a super-2 number, since 2×12454436554² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12454436554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40867 + ... + 163030.

It is an arithmetic number, because the mean of its divisors is an integer number (1334716308).

Almost surely, 2^12454436554 is an apocalyptic number.

12454436554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12454436554 is a deficient number, since it is larger than the sum of its proper divisors (8901024374).

12454436554 is a wasteful number, since it uses less digits than its factorization.

12454436554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208269.

The product of its digits is 1152000, while the sum is 43.

The spelling of 12454436554 in words is "twelve billion, four hundred fifty-four million, four hundred thirty-six thousand, five hundred fifty-four".