3743818618 has 4 divisors (see below), whose sum is σ = 5615727930. Its totient is φ = 1871909308.

The previous prime is 3743818517. The next prime is 3743818657. The reversal of 3743818618 is 8168183473.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2985201769 + 758616849 = 54637^2 + 27543^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 935954653 + ... + 935954656.

Almost surely, 2^3743818618 is an apocalyptic number.

3743818618 is a deficient number, since it is larger than the sum of its proper divisors (1871909312).

3743818618 is a wasteful number, since it uses less digits than its factorization.

3743818618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871909311.

The product of its digits is 774144, while the sum is 49.

The square root of 3743818618 is about 61186.7519811274. The cubic root of 3743818618 is about 1552.7621394588.

The spelling of 3743818618 in words is "three billion, seven hundred forty-three million, eight hundred eighteen thousand, six hundred eighteen".