3611764644 has 48 divisors (see below), whose sum is σ = 8992562880. Its totient is φ = 1124928000.

The previous prime is 3611764613. The next prime is 3611764669. The reversal of 3611764644 is 4464671163.

It is a junction number, because it is equal to n+sod(n) for n = 3611764596 and 3611764605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91857 + ... + 125144.

It is an arithmetic number, because the mean of its divisors is an integer number (187345060).

Almost surely, 2^3611764644 is an apocalyptic number.

It is an amenable number.

3611764644 is an abundant number, since it is smaller than the sum of its proper divisors (5380798236).

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

3611764644 is a wasteful number, since it uses less digits than its factorization.

3611764644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217100 (or 217098 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 3611764644 is about 60097.9587340535. The cubic root of 3611764644 is about 1534.2865601311.

The spelling of 3611764644 in words is "three billion, six hundred eleven million, seven hundred sixty-four thousand, six hundred forty-four".