13109364977 has 8 divisors (see below), whose sum is σ = 13414049064. Its totient is φ = 12806804608.

The previous prime is 13109364967. The next prime is 13109365007. The reversal of 13109364977 is 77946390131.

It can be written as a sum of positive squares in 4 ways, for example, as 3323407201 + 9785957776 = 57649^2 + 98924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13109364977 - 2¹⁸ = 13109102833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13109364967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518438 + ... + 543135.

It is an arithmetic number, because the mean of its divisors is an integer number (1676756133).

Almost surely, 2^13109364977 is an apocalyptic number.

It is an amenable number.

13109364977 is a deficient number, since it is larger than the sum of its proper divisors (304684087).

13109364977 is a wasteful number, since it uses less digits than its factorization.

13109364977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061859.

The product of its (nonzero) digits is 857304, while the sum is 50.

The spelling of 13109364977 in words is "thirteen billion, one hundred nine million, three hundred sixty-four thousand, nine hundred seventy-seven".