3642898138 has 16 divisors (see below), whose sum is σ = 6050080224. Its totient is φ = 1631147760.

The previous prime is 3642898069. The next prime is 3642898211. The reversal of 3642898138 is 8318982463.

3642898138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234245 + ... + 1237192.

It is an arithmetic number, because the mean of its divisors is an integer number (378130014).

Almost surely, 2^3642898138 is an apocalyptic number.

3642898138 is a deficient number, since it is larger than the sum of its proper divisors (2407182086).

3642898138 is a wasteful number, since it uses less digits than its factorization.

3642898138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471517.

The product of its digits is 1990656, while the sum is 52.

The square root of 3642898138 is about 60356.4258219454. The cubic root of 3642898138 is about 1538.6824816775.

The spelling of 3642898138 in words is "three billion, six hundred forty-two million, eight hundred ninety-eight thousand, one hundred thirty-eight".