3609378648 has 48 divisors (see below), whose sum is σ = 9787382280. Its totient is φ = 1201651584.

The previous prime is 3609378637. The next prime is 3609378653. The reversal of 3609378648 is 8468739063.

It is a super-2 number, since 2×3609378648² = 26055228449276615808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3609378594 and 3609378603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29236 + ... + 89852.

Almost surely, 2^3609378648 is an apocalyptic number.

It is an amenable number.

3609378648 is an abundant number, since it is smaller than the sum of its proper divisors (6178003632).

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

3609378648 is a wasteful number, since it uses less digits than its factorization.

3609378648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61456 (or 61449 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 3609378648 is about 60078.1045639757. The cubic root of 3609378648 is about 1533.9486267031.

The spelling of 3609378648 in words is "three billion, six hundred nine million, three hundred seventy-eight thousand, six hundred forty-eight".