2505701684 has 24 divisors (see below), whose sum is σ = 4633762560. Its totient is φ = 1182283776.

The previous prime is 2505701677. The next prime is 2505701699. The reversal of 2505701684 is 4861075052.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 44612 + ... + 83675.

It is an arithmetic number, because the mean of its divisors is an integer number (193073440).

Almost surely, 2^2505701684 is an apocalyptic number.

It is an amenable number.

2505701684 is a deficient number, since it is larger than the sum of its proper divisors (2128060876).

2505701684 is a wasteful number, since it uses less digits than its factorization.

2505701684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128567 (or 128565 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2505701684 is about 50056.9843678182. The cubic root of 2505701684 is about 1358.2398083356.

The spelling of 2505701684 in words is "two billion, five hundred five million, seven hundred one thousand, six hundred eighty-four".