2948815809 has 27 divisors (see below), whose sum is σ = 4458308673. Its totient is φ = 1878014952.

The previous prime is 2948815777. The next prime is 2948815819. The reversal of 2948815809 is 9085188492.

The square root of 2948815809 is 54303.

It is a perfect power (a square), and thus also a powerful number.

2948815809 is a `hidden beast` number, since 2 + 9 + 488 + 158 + 0 + 9 = 666.

It is not a de Polignac number, because 2948815809 - 2⁵ = 2948815777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2948815819) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3746514 + ... + 3747300.

Almost surely, 2^2948815809 is an apocalyptic number.

2948815809 is the 54303-rd square number.

2948815809 is the 27152-nd centered octagonal number.

It is an amenable number.

2948815809 is a deficient number, since it is larger than the sum of its proper divisors (1509492864).

2948815809 is an frugal number, since it uses more digits than its factorization.

2948815809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The cubic root of 2948815809 is about 1434.0002115392. Note that the first 3 decimals are identical.

The spelling of 2948815809 in words is "two billion, nine hundred forty-eight million, eight hundred fifteen thousand, eight hundred nine".