2148507904 has 27 divisors (see below), whose sum is σ = 4290104077. Its totient is φ = 1073883136.

The previous prime is 2148507887. The next prime is 2148507929. The reversal of 2148507904 is 4097058412.

The square root of 2148507904 is 46352.

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

It can be written as a sum of positive squares in only one way, i.e., 243360000 + 1905147904 = 15600^2 + 43648^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 740184 + ... + 743080.

Almost surely, 2^2148507904 is an apocalyptic number.

2148507904 is the 46352-nd square number.

It is an amenable number.

2148507904 is a deficient number, since it is larger than the sum of its proper divisors (2141596173).

2148507904 is an frugal number, since it uses more digits than its factorization.

2148507904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The cubic root of 2148507904 is about 1290.3642390318.

The spelling of 2148507904 in words is "two billion, one hundred forty-eight million, five hundred seven thousand, nine hundred four".