2573648634 has 8 divisors (see below), whose sum is σ = 5147297280. Its totient is φ = 857882876.

The previous prime is 2573648611. The next prime is 2573648639. The reversal of 2573648634 is 4368463752.

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

2573648634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2573648639) by changing a digit.

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, 214470714 + ... + 214470725.

It is an arithmetic number, because the mean of its divisors is an integer number (643412160).

Almost surely, 2^2573648634 is an apocalyptic number.

2573648634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2573648634 is a wasteful number, since it uses less digits than its factorization.

2573648634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428941444.

The product of its digits is 2903040, while the sum is 48.

The square root of 2573648634 is about 50731.1406731605. The cubic root of 2573648634 is about 1370.4075783080.

The spelling of 2573648634 in words is "two billion, five hundred seventy-three million, six hundred forty-eight thousand, six hundred thirty-four".