2925128872 has 16 divisors (see below), whose sum is σ = 5538921300. Its totient is φ = 1448083200.

The previous prime is 2925128867. The next prime is 2925128881. The reversal of 2925128872 is 2788215292.

It can be written as a sum of positive squares in 2 ways, for example, as 2918808676 + 6320196 = 54026^2 + 2514^2 .

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 3 ways as a sum of consecutive naturals, for example, 1809297 + ... + 1810912.

Almost surely, 2^2925128872 is an apocalyptic number.

It is an amenable number.

2925128872 is a deficient number, since it is larger than the sum of its proper divisors (2613792428).

2925128872 is a wasteful number, since it uses less digits than its factorization.

2925128872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620316 (or 3620312 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 2925128872 is about 54084.4605408984. The cubic root of 2925128872 is about 1430.1502559444.

The spelling of 2925128872 in words is "two billion, nine hundred twenty-five million, one hundred twenty-eight thousand, eight hundred seventy-two".