13357477517 has 4 divisors (see below), whose sum is σ = 13818080220. Its totient is φ = 12896874816.

The previous prime is 13357477499. The next prime is 13357477547. The reversal of 13357477517 is 71577475331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71577475331 = 26723 ⋅2678497.

It can be written as a sum of positive squares in 2 ways, for example, as 3669209476 + 9688268041 = 60574^2 + 98429^2 .

It is a cyclic number.

It is not a de Polignac number, because 13357477517 - 2¹² = 13357473421 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 (13357477547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230301308 + ... + 230301365.

It is an arithmetic number, because the mean of its divisors is an integer number (3454520055).

Almost surely, 2^13357477517 is an apocalyptic number.

It is an amenable number.

13357477517 is a deficient number, since it is larger than the sum of its proper divisors (460602703).

13357477517 is an equidigital number, since it uses as much as digits as its factorization.

13357477517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460602702.

The product of its digits is 2160900, while the sum is 50.

The spelling of 13357477517 in words is "thirteen billion, three hundred fifty-seven million, four hundred seventy-seven thousand, five hundred seventeen".