13849316577 has 40 divisors (see below), whose sum is σ = 22857918336. Its totient is φ = 8311932288.

The previous prime is 13849316573. The next prime is 13849316603. The reversal of 13849316577 is 77561394831.

13849316577 is a `hidden beast` number, since 1 + 38 + 4 + 9 + 31 + 6 + 577 = 666.

It is not a de Polignac number, because 13849316577 - 2² = 13849316573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13849316573) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 186973 + ... + 250314.

Almost surely, 2^13849316577 is an apocalyptic number.

13849316577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13849316577 is a deficient number, since it is larger than the sum of its proper divisors (9008601759).

13849316577 is a wasteful number, since it uses less digits than its factorization.

13849316577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437339 (or 437330 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 13849316577 in words is "thirteen billion, eight hundred forty-nine million, three hundred sixteen thousand, five hundred seventy-seven".