2164509602 has 16 divisors (see below), whose sum is σ = 3428447040. Its totient is φ = 1022053968.

The previous prime is 2164509593. The next prime is 2164509623. The reversal of 2164509602 is 2069054612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77798 + ... + 101889.

It is an arithmetic number, because the mean of its divisors is an integer number (214277940).

Almost surely, 2^2164509602 is an apocalyptic number.

2164509602 is a deficient number, since it is larger than the sum of its proper divisors (1263937438).

2164509602 is a wasteful number, since it uses less digits than its factorization.

2164509602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180025.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2164509602 is about 46524.2904513331. The cubic root of 2164509602 is about 1293.5597852643.

The spelling of 2164509602 in words is "two billion, one hundred sixty-four million, five hundred nine thousand, six hundred two".