3665220962 has 54 divisors (see below), whose sum is σ = 6188040873. Its totient is φ = 1627426944.

The previous prime is 3665220947. The next prime is 3665220991. The reversal of 3665220962 is 2690225663.

It can be written as a sum of positive squares in 14 ways, for example, as 255712081 + 3409508881 = 15991^2 + 58391^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=42809.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41182214 + ... + 41182302.

Almost surely, 2^3665220962 is an apocalyptic number.

3665220962 is a deficient number, since it is larger than the sum of its proper divisors (2522819911).

3665220962 is an equidigital number, since it uses as much as digits as its factorization.

3665220962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 3665220962 is about 60541.0683916298. The cubic root of 3665220962 is about 1541.8189787293.

The spelling of 3665220962 in words is "three billion, six hundred sixty-five million, two hundred twenty thousand, nine hundred sixty-two".