13642636002 has 8 divisors (see below), whose sum is σ = 27285272016. Its totient is φ = 4547545332.

The previous prime is 13642635973. The next prime is 13642636019. The reversal of 13642636002 is 20063624631.

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

13642636002 is an admirable number.

It is a super-2 number, since 2×13642636002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136886328 + ... + 1136886339.

It is an arithmetic number, because the mean of its divisors is an integer number (3410659002).

Almost surely, 2^13642636002 is an apocalyptic number.

13642636002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13642636002 is a wasteful number, since it uses less digits than its factorization.

13642636002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273772672.

The product of its (nonzero) digits is 31104, while the sum is 33.

The spelling of 13642636002 in words is "thirteen billion, six hundred forty-two million, six hundred thirty-six thousand, two".