12493969954 has 16 divisors (see below), whose sum is σ = 19780231680. Its totient is φ = 5902323120.

The previous prime is 12493969951. The next prime is 12493969991. The reversal of 12493969954 is 45996939421.

It is a super-2 number, since 2×12493969954² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12493969892 and 12493969901.

It is not an unprimeable number, because it can be changed into a prime (12493969951) 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, 426562 + ... + 454909.

It is an arithmetic number, because the mean of its divisors is an integer number (1236264480).

Almost surely, 2^12493969954 is an apocalyptic number.

12493969954 is a deficient number, since it is larger than the sum of its proper divisors (7286261726).

12493969954 is a wasteful number, since it uses less digits than its factorization.

12493969954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881865.

The product of its digits is 18895680, while the sum is 61.

The spelling of 12493969954 in words is "twelve billion, four hundred ninety-three million, nine hundred sixty-nine thousand, nine hundred fifty-four".