3642432918 has 16 divisors (see below), whose sum is σ = 7303220400. Its totient is φ = 1211085216.

The previous prime is 3642432901. The next prime is 3642432919. The reversal of 3642432918 is 8192342463.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3642432918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642432919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762193 + ... + 766956.

It is an arithmetic number, because the mean of its divisors is an integer number (456451275).

Almost surely, 2^3642432918 is an apocalyptic number.

3642432918 is an abundant number, since it is smaller than the sum of its proper divisors (3660787482).

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

3642432918 is a wasteful number, since it uses less digits than its factorization.

3642432918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529551.

The product of its digits is 248832, while the sum is 42.

The square root of 3642432918 is about 60352.5717596193. The cubic root of 3642432918 is about 1538.6169792203.

The spelling of 3642432918 in words is "three billion, six hundred forty-two million, four hundred thirty-two thousand, nine hundred eighteen".