13436444664454 has 16 divisors (see below), whose sum is σ = 23034216441600. Its totient is φ = 5758398459144.

The previous prime is 13436444664431. The next prime is 13436444664473. The reversal of 13436444664454 is 45446644463431.

It is a super-2 number, since 2×13436444664454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 5406394 + ... + 7490125.

It is an arithmetic number, because the mean of its divisors is an integer number (1439638527600).

Almost surely, 2^{13436444664454} is an apocalyptic number.

13436444664454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13436444664454 is a deficient number, since it is larger than the sum of its proper divisors (9597771777146).

13436444664454 is a wasteful number, since it uses less digits than its factorization.

13436444664454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970947.

The product of its digits is 159252480, while the sum is 58.

The spelling of 13436444664454 in words is "thirteen trillion, four hundred thirty-six billion, four hundred forty-four million, six hundred sixty-four thousand, four hundred fifty-four".