13236743854 has 16 divisors (see below), whose sum is σ = 19907648640. Its totient is φ = 6600884920.

The previous prime is 13236743833. The next prime is 13236743857. The reversal of 13236743854 is 45834763231.

It is a super-2 number, since 2×13236743854² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13236743857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274607 + ... + 1284949.

It is an arithmetic number, because the mean of its divisors is an integer number (1244228040).

Almost surely, 2^13236743854 is an apocalyptic number.

13236743854 is a deficient number, since it is larger than the sum of its proper divisors (6670904786).

13236743854 is a wasteful number, since it uses less digits than its factorization.

13236743854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11975.

The product of its digits is 1451520, while the sum is 46.

The spelling of 13236743854 in words is "thirteen billion, two hundred thirty-six million, seven hundred forty-three thousand, eight hundred fifty-four".