13375545277 has 4 divisors (see below), whose sum is σ = 14162342076. Its totient is φ = 12588748480.

The previous prime is 13375545257. The next prime is 13375545319. The reversal of 13375545277 is 77254557331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7221770361 + 6153774916 = 84981^2 + 78446^2 .

It is a cyclic number.

It is not a de Polignac number, because 13375545277 - 2²³ = 13367156669 is a prime.

It is a super-2 number, since 2×13375545277² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13375545277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375545257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393398374 + ... + 393398407.

It is an arithmetic number, because the mean of its divisors is an integer number (3540585519).

Almost surely, 2^13375545277 is an apocalyptic number.

13375545277 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13375545277 is a deficient number, since it is larger than the sum of its proper divisors (786796799).

13375545277 is an equidigital number, since it uses as much as digits as its factorization.

13375545277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786796798.

The product of its digits is 3087000, while the sum is 49.

The spelling of 13375545277 in words is "thirteen billion, three hundred seventy-five million, five hundred forty-five thousand, two hundred seventy-seven".