13436444664453 has 8 divisors (see below), whose sum is σ = 18969098349888. Its totient is φ = 8430710377664.

The previous prime is 13436444664431. The next prime is 13436444664473. The reversal of 13436444664453 is 35446644463431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13436444664453 - 2⁶ = 13436444664389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13436444664393 and 13436444664402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13436444664473) 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, 131729849601 + ... + 131729849702.

It is an arithmetic number, because the mean of its divisors is an integer number (2371137293736).

Almost surely, 2^{13436444664453} is an apocalyptic number.

It is an amenable number.

13436444664453 is a deficient number, since it is larger than the sum of its proper divisors (5532653685435).

13436444664453 is a wasteful number, since it uses less digits than its factorization.

13436444664453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263459699323.

The product of its digits is 119439360, while the sum is 57.

The spelling of 13436444664453 in words is "thirteen trillion, four hundred thirty-six billion, four hundred forty-four million, six hundred sixty-four thousand, four hundred fifty-three".