3544657818 has 32 divisors (see below), whose sum is σ = 7742189952. Its totient is φ = 1075300800.

The previous prime is 3544657817. The next prime is 3544657871. The reversal of 3544657818 is 8187564453.

It is a super-2 number, since 2×3544657818² = 25129198093417042248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3544657817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314493 + ... + 325568.

It is an arithmetic number, because the mean of its divisors is an integer number (241943436).

Almost surely, 2^3544657818 is an apocalyptic number.

3544657818 is an abundant number, since it is smaller than the sum of its proper divisors (4197532134).

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

3544657818 is a wasteful number, since it uses less digits than its factorization.

3544657818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640150.

The product of its digits is 3225600, while the sum is 51.

The square root of 3544657818 is about 59537.0289651743. The cubic root of 3544657818 is about 1524.7247114661.

The spelling of 3544657818 in words is "three billion, five hundred forty-four million, six hundred fifty-seven thousand, eight hundred eighteen".