3653831372 has 6 divisors (see below), whose sum is σ = 6394204908. Its totient is φ = 1826915684.

The previous prime is 3653831353. The next prime is 3653831381. The reversal of 3653831372 is 2731383563.

It is a super-2 number, since 2×3653831372² = 26700967390022804768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456728918 + ... + 456728925.

It is an arithmetic number, because the mean of its divisors is an integer number (1065700818).

Almost surely, 2^3653831372 is an apocalyptic number.

It is an amenable number.

3653831372 is a deficient number, since it is larger than the sum of its proper divisors (2740373536).

3653831372 is a wasteful number, since it uses less digits than its factorization.

3653831372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913457847 (or 913457845 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 3653831372 is about 60446.9302115500. The cubic root of 3653831372 is about 1540.2202659021.

The spelling of 3653831372 in words is "three billion, six hundred fifty-three million, eight hundred thirty-one thousand, three hundred seventy-two".