1513321026453 has 12 divisors (see below), whose sum is σ = 2314490981868. Its totient is φ = 949534761600.

The previous prime is 1513321026443. The next prime is 1513321026467. The reversal of 1513321026453 is 3546201233151.

1513321026453 is a `hidden beast` number, since 1 + 5 + 1 + 3 + 3 + 2 + 1 + 0 + 2 + 645 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1349670033009 + 163650993444 = 1161753^2 + 404538^2 .

It is not a de Polignac number, because 1513321026453 - 2¹² = 1513321022357 is a prime.

It is a super-2 number, since 2×1513321026453² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513321026443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4945493398 + ... + 4945493703.

It is an arithmetic number, because the mean of its divisors is an integer number (192874248489).

Almost surely, 2^{1513321026453} is an apocalyptic number.

It is an amenable number.

1513321026453 is a deficient number, since it is larger than the sum of its proper divisors (801169955415).

1513321026453 is a wasteful number, since it uses less digits than its factorization.

1513321026453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890987124 (or 9890987121 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1513321026453 in words is "one trillion, five hundred thirteen billion, three hundred twenty-one million, twenty-six thousand, four hundred fifty-three".