3580949661 has 8 divisors (see below), whose sum is σ = 4785235200. Its totient is φ = 2381981952.

The previous prime is 3580949639. The next prime is 3580949689. The reversal of 3580949661 is 1669490853.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3580949661 - 2⁶ = 3580949597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3580949861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327885 + ... + 1330578.

It is an arithmetic number, because the mean of its divisors is an integer number (598154400).

Almost surely, 2^3580949661 is an apocalyptic number.

It is an amenable number.

3580949661 is a deficient number, since it is larger than the sum of its proper divisors (1204285539).

3580949661 is a wasteful number, since it uses less digits than its factorization.

3580949661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658915.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 3580949661 is about 59841.0365969708. The cubic root of 3580949661 is about 1529.9106646117.

The spelling of 3580949661 in words is "three billion, five hundred eighty million, nine hundred forty-nine thousand, six hundred sixty-one".