2813897500 has 30 divisors (see below), whose sum is σ = 6153436520. Its totient is φ = 1125558000.

The previous prime is 2813897461. The next prime is 2813897501. The reversal of 2813897500 is 57983182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813897501) 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 9 ways as a sum of consecutive naturals, for example, 560280 + ... + 565279.

Almost surely, 2^2813897500 is an apocalyptic number.

2813897500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2813897500 is an abundant number, since it is smaller than the sum of its proper divisors (3339539020).

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

2813897500 is a wasteful number, since it uses less digits than its factorization.

2813897500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125583 (or 1125566 counting only the distinct ones).

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

The square root of 2813897500 is about 53046.1827090319. The cubic root of 2813897500 is about 1411.7877997822.

The spelling of 2813897500 in words is "two billion, eight hundred thirteen million, eight hundred ninety-seven thousand, five hundred".