13836463643 has 8 divisors (see below), whose sum is σ = 14175498960. Its totient is φ = 13497502720.

The previous prime is 13836463639. The next prime is 13836463759. The reversal of 13836463643 is 34636463831.

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 13836463643 - 2² = 13836463639 is a prime.

It is a super-2 number, since 2×13836463643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13866463643) 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, 637496 + ... + 658842.

It is an arithmetic number, because the mean of its divisors is an integer number (1771937370).

Almost surely, 2^13836463643 is an apocalyptic number.

13836463643 is a deficient number, since it is larger than the sum of its proper divisors (339035317).

13836463643 is a wasteful number, since it uses less digits than its factorization.

13836463643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37197.

The product of its digits is 2239488, while the sum is 47.

The spelling of 13836463643 in words is "thirteen billion, eight hundred thirty-six million, four hundred sixty-three thousand, six hundred forty-three".