3748131218 has 16 divisors (see below), whose sum is σ = 6064908696. Its totient is φ = 1726982400.

The previous prime is 3748131209. The next prime is 3748131227. The reversal of 3748131218 is 8121318473.

It is an interprime number because it is at equal distance from previous prime (3748131209) and next prime (3748131227).

It can be written as a sum of positive squares in 4 ways, for example, as 3055546729 + 692584489 = 55277^2 + 26317^2 .

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, 106133 + ... + 136968.

Almost surely, 2^3748131218 is an apocalyptic number.

3748131218 is a deficient number, since it is larger than the sum of its proper divisors (2316777478).

3748131218 is a wasteful number, since it uses less digits than its factorization.

3748131218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243709.

The product of its digits is 32256, while the sum is 38.

The square root of 3748131218 is about 61221.9831269782. The cubic root of 3748131218 is about 1553.3581327536.

The spelling of 3748131218 in words is "three billion, seven hundred forty-eight million, one hundred thirty-one thousand, two hundred eighteen".