2772521492 has 48 divisors (see below), whose sum is σ = 5434568832. Its totient is φ = 1229316480.

The previous prime is 2772521489. The next prime is 2772521497. The reversal of 2772521492 is 2941252772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772521497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126233 + ... + 146559.

It is an arithmetic number, because the mean of its divisors is an integer number (113220184).

Almost surely, 2^2772521492 is an apocalyptic number.

It is an amenable number.

2772521492 is a deficient number, since it is larger than the sum of its proper divisors (2662047340).

2772521492 is a wasteful number, since it uses less digits than its factorization.

2772521492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448 (or 20446 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 2772521492 is about 52654.7385521949. The cubic root of 2772521492 is about 1404.8338843554.

The spelling of 2772521492 in words is "two billion, seven hundred seventy-two million, five hundred twenty-one thousand, four hundred ninety-two".