3745931818 has 8 divisors (see below), whose sum is σ = 5656608900. Its totient is φ = 1860395520.

The previous prime is 3745931809. The next prime is 3745931873. The reversal of 3745931818 is 8181395473.

It is a happy number.

3745931818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3745807209 + 124609 = 61203^2 + 353^2 .

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

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, 6284823 + ... + 6285418.

Almost surely, 2^3745931818 is an apocalyptic number.

3745931818 is a deficient number, since it is larger than the sum of its proper divisors (1910677082).

3745931818 is a wasteful number, since it uses less digits than its factorization.

3745931818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570392.

The product of its digits is 725760, while the sum is 49.

The square root of 3745931818 is about 61204.0179890177. The cubic root of 3745931818 is about 1553.0542369227.

The spelling of 3745931818 in words is "three billion, seven hundred forty-five million, nine hundred thirty-one thousand, eight hundred eighteen".