2571681490 has 16 divisors (see below), whose sum is σ = 5290316352. Its totient is φ = 881719344.

The previous prime is 2571681473. The next prime is 2571681523. The reversal of 2571681490 is 941861752.

2571681490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571681490² = 13227091372017240200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18369084 + ... + 18369223.

It is an arithmetic number, because the mean of its divisors is an integer number (330644772).

Almost surely, 2^2571681490 is an apocalyptic number.

2571681490 is an abundant number, since it is smaller than the sum of its proper divisors (2718634862).

2571681490 is a wasteful number, since it uses less digits than its factorization.

2571681490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36738321.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 2571681490 is about 50711.7490331383. The cubic root of 2571681490 is about 1370.0583366212.

The spelling of 2571681490 in words is "two billion, five hundred seventy-one million, six hundred eighty-one thousand, four hundred ninety".