3654433818 has 96 divisors (see below), whose sum is σ = 9720048000. Its totient is φ = 989138304.

The previous prime is 3654433807. The next prime is 3654433843. The reversal of 3654433818 is 8183344563.

3654433818 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101730 + ... + 132882.

It is an arithmetic number, because the mean of its divisors is an integer number (101250500).

Almost surely, 2^3654433818 is an apocalyptic number.

3654433818 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3654433818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4860024000).

3654433818 is an abundant number, since it is smaller than the sum of its proper divisors (6065614182).

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

3654433818 is a wasteful number, since it uses less digits than its factorization.

3654433818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31201 (or 31184 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 3654433818 is about 60451.9132699702. The cubic root of 3654433818 is about 1540.3049120768.

The spelling of 3654433818 in words is "three billion, six hundred fifty-four million, four hundred thirty-three thousand, eight hundred eighteen".