13252516399 has 4 divisors (see below), whose sum is σ = 13680016960. Its totient is φ = 12825015840.

The previous prime is 13252516391. The next prime is 13252516439. The reversal of 13252516399 is 99361525231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99361525231 = 167 ⋅594979193.

It is a cyclic number.

It is not a de Polignac number, because 13252516399 - 2³ = 13252516391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13252516391) 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 3 ways as a sum of consecutive naturals, for example, 213750234 + ... + 213750295.

It is an arithmetic number, because the mean of its divisors is an integer number (3420004240).

Almost surely, 2^13252516399 is an apocalyptic number.

13252516399 is a deficient number, since it is larger than the sum of its proper divisors (427500561).

13252516399 is an equidigital number, since it uses as much as digits as its factorization.

13252516399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427500560.

The product of its digits is 437400, while the sum is 46.

The spelling of 13252516399 in words is "thirteen billion, two hundred fifty-two million, five hundred sixteen thousand, three hundred ninety-nine".