3671489644 has 6 divisors (see below), whose sum is σ = 6425106884. Its totient is φ = 1835744820.

The previous prime is 3671489623. The next prime is 3671489737. The reversal of 3671489644 is 4469841763.

It is a junction number, because it is equal to n+sod(n) for n = 3671489591 and 3671489600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458936202 + ... + 458936209.

Almost surely, 2^3671489644 is an apocalyptic number.

It is an amenable number.

3671489644 is a deficient number, since it is larger than the sum of its proper divisors (2753617240).

3671489644 is a wasteful number, since it uses less digits than its factorization.

3671489644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917872415 (or 917872413 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 3671489644 is about 60592.8184193474. The cubic root of 3671489644 is about 1542.6974767377.

The spelling of 3671489644 in words is "three billion, six hundred seventy-one million, four hundred eighty-nine thousand, six hundred forty-four".