13105644363 has 12 divisors (see below), whose sum is σ = 21634714608. Its totient is φ = 7488939600.

The previous prime is 13105644353. The next prime is 13105644373. The reversal of 13105644363 is 36344650131.

13105644363 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 5 + 644 + 3 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (13105644353) and next prime (13105644373).

It is not a de Polignac number, because 13105644363 - 2¹⁴ = 13105627979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13105644323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104012988 + ... + 104013113.

It is an arithmetic number, because the mean of its divisors is an integer number (1802892884).

Almost surely, 2^13105644363 is an apocalyptic number.

13105644363 is a deficient number, since it is larger than the sum of its proper divisors (8529070245).

13105644363 is a wasteful number, since it uses less digits than its factorization.

13105644363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208026114 (or 208026111 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 13105644363 in words is "thirteen billion, one hundred five million, six hundred forty-four thousand, three hundred sixty-three".