1513366243253 has 2 divisors, whose sum is σ = 1513366243254. Its totient is φ = 1513366243252.

The previous prime is 1513366243229. The next prime is 1513366243261. The reversal of 1513366243253 is 3523426633151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967514206129 + 545852037124 = 983623^2 + 738818^2 .

It is an emirp because it is prime and its reverse (3523426633151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513366243253 - 2¹⁰ = 1513366242229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513366243853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756683121626 + 756683121627.

It is an arithmetic number, because the mean of its divisors is an integer number (756683121627).

Almost surely, 2^{1513366243253} is an apocalyptic number.

It is an amenable number.

1513366243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513366243253 is an equidigital number, since it uses as much as digits as its factorization.

1513366243253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 44.

The spelling of 1513366243253 in words is "one trillion, five hundred thirteen billion, three hundred sixty-six million, two hundred forty-three thousand, two hundred fifty-three".