13642466642 has 24 divisors (see below), whose sum is σ = 23630903424. Its totient is φ = 5786439552.

The previous prime is 13642466641. The next prime is 13642466743. The reversal of 13642466642 is 24666424631.

It is a super-2 number, since 2×13642466642² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13642466593 and 13642466602.

It is not an unprimeable number, because it can be changed into a prime (13642466641) 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, 79943 + ... + 183509.

It is an arithmetic number, because the mean of its divisors is an integer number (984620976).

Almost surely, 2^13642466642 is an apocalyptic number.

13642466642 is a deficient number, since it is larger than the sum of its proper divisors (9988436782).

13642466642 is an equidigital number, since it uses as much as digits as its factorization.

13642466642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103770 (or 103673 counting only the distinct ones).

The product of its digits is 995328, while the sum is 44.

The spelling of 13642466642 in words is "thirteen billion, six hundred forty-two million, four hundred sixty-six thousand, six hundred forty-two".