2521648834 has 8 divisors (see below), whose sum is σ = 3802072140. Its totient is φ = 1254291456.

The previous prime is 2521648807. The next prime is 2521648847. The reversal of 2521648834 is 4388461252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2181357025 + 340291809 = 46705^2 + 18447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3265999 + ... + 3266770.

Almost surely, 2^2521648834 is an apocalyptic number.

2521648834 is a deficient number, since it is larger than the sum of its proper divisors (1280423306).

2521648834 is a wasteful number, since it uses less digits than its factorization.

2521648834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532964.

The product of its digits is 368640, while the sum is 43.

The square root of 2521648834 is about 50216.0216863104. The cubic root of 2521648834 is about 1361.1151526216.

The spelling of 2521648834 in words is "two billion, five hundred twenty-one million, six hundred forty-eight thousand, eight hundred thirty-four".