13577050357 has 18 divisors (see below), whose sum is σ = 15540291494. Its totient is φ = 11789241600.

The previous prime is 13577050337. The next prime is 13577050393. The reversal of 13577050357 is 75305077531.

It can be written as a sum of positive squares in 9 ways, for example, as 6783004881 + 6794045476 = 82359^2 + 82426^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13577050357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13577050337) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7141107 + ... + 7143007.

Almost surely, 2^13577050357 is an apocalyptic number.

13577050357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13577050357 is a deficient number, since it is larger than the sum of its proper divisors (1963241137).

13577050357 is an frugal number, since it uses more digits than its factorization.

13577050357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 385875, while the sum is 43.

The spelling of 13577050357 in words is "thirteen billion, five hundred seventy-seven million, fifty thousand, three hundred fifty-seven".