4129604644 has 81 divisors (see below), whose sum is σ = 8369802651. Its totient is φ = 1781342640.

The previous prime is 4129604639. The next prime is 4129604707. The reversal of 4129604644 is 4464069214.

The square root of 4129604644 is 64262.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4129604597 and 4129604606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32516509 + ... + 32516635.

Almost surely, 2^4129604644 is an apocalyptic number.

4129604644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

4129604644 is the 64262-nd square number.

It is an amenable number.

4129604644 is an abundant number, since it is smaller than the sum of its proper divisors (4240198007).

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

4129604644 is a wasteful number, since it uses less digits than its factorization.

4129604644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The cubic root of 4129604644 is about 1604.3636927342.

The spelling of 4129604644 in words is "four billion, one hundred twenty-nine million, six hundred four thousand, six hundred forty-four".