13516445397 has 192 divisors, whose sum is σ = 25070653440. Its totient is φ = 6292712448.

The previous prime is 13516445339. The next prime is 13516445401. The reversal of 13516445397 is 79354461531.

13516445397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13516445397 - 2⁷ = 13516445269 is a prime.

Its product of digits (1360800) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13516445317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 151870129 + ... + 151870217.

It is an arithmetic number, because the mean of its divisors is an integer number (130576320).

Almost surely, 2^13516445397 is an apocalyptic number.

It is an amenable number.

13516445397 is a deficient number, since it is larger than the sum of its proper divisors (11554208043).

13516445397 is a wasteful number, since it uses less digits than its factorization.

13516445397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 221 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The spelling of 13516445397 in words is "thirteen billion, five hundred sixteen million, four hundred forty-five thousand, three hundred ninety-seven".