2505749470 has 64 divisors (see below), whose sum is σ = 5255539200. Its totient is φ = 842382720.

The previous prime is 2505749453. The next prime is 2505749489. The reversal of 2505749470 is 749475052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051660 + ... + 3052480.

It is an arithmetic number, because the mean of its divisors is an integer number (82117800).

Almost surely, 2^2505749470 is an apocalyptic number.

2505749470 is an abundant number, since it is smaller than the sum of its proper divisors (2749789730).

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

2505749470 is a wasteful number, since it uses less digits than its factorization.

2505749470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 2505749470 is about 50057.4616815515. The cubic root of 2505749470 is about 1358.2484425684.

The spelling of 2505749470 in words is "two billion, five hundred five million, seven hundred forty-nine thousand, four hundred seventy".