2148643504 has 40 divisors (see below), whose sum is σ = 4835721248. Its totient is φ = 905748480.

The previous prime is 2148643489. The next prime is 2148643507. The reversal of 2148643504 is 4053468412.

It is not an unprimeable number, because it can be changed into a prime (2148643507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150417 + ... + 164080.

Almost surely, 2^2148643504 is an apocalyptic number.

It is an amenable number.

2148643504 is an abundant number, since it is smaller than the sum of its proper divisors (2687077744).

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

2148643504 is a wasteful number, since it uses less digits than its factorization.

2148643504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314573 (or 314567 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2148643504 is about 46353.4626969766. The cubic root of 2148643504 is about 1290.3913849578.

The spelling of 2148643504 in words is "two billion, one hundred forty-eight million, six hundred forty-three thousand, five hundred four".