13640541363 has 12 divisors (see below), whose sum is σ = 19972909320. Its totient is φ = 8969122656.

The previous prime is 13640541347. The next prime is 13640541433. The reversal of 13640541363 is 36314504631.

13640541363 is a `hidden beast` number, since 1 + 3 + 640 + 5 + 4 + 1 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 13640541363 - 2⁴ = 13640541347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13640541263) 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, 10380273 + ... + 10381586.

It is an arithmetic number, because the mean of its divisors is an integer number (1664409110).

Almost surely, 2^13640541363 is an apocalyptic number.

13640541363 is a deficient number, since it is larger than the sum of its proper divisors (6332367957).

13640541363 is a wasteful number, since it uses less digits than its factorization.

13640541363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20761938 (or 20761935 counting only the distinct ones).

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

The spelling of 13640541363 in words is "thirteen billion, six hundred forty million, five hundred forty-one thousand, three hundred sixty-three".