13420416842 has 12 divisors (see below), whose sum is σ = 23417258130. Its totient is φ = 5751607176.

The previous prime is 13420416829. The next prime is 13420416907. The reversal of 13420416842 is 24861402431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10426247881 + 2994168961 = 102109^2 + 54719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68471417 + ... + 68471612.

Almost surely, 2^13420416842 is an apocalyptic number.

13420416842 is a deficient number, since it is larger than the sum of its proper divisors (9996841288).

13420416842 is a wasteful number, since it uses less digits than its factorization.

13420416842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136943045 (or 136943038 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 13420416842 in words is "thirteen billion, four hundred twenty million, four hundred sixteen thousand, eight hundred forty-two".