2148957730 has 16 divisors (see below), whose sum is σ = 3873592440. Its totient is φ = 858367872.

The previous prime is 2148957697. The next prime is 2148957749. The reversal of 2148957730 is 377598412.

It can be written as a sum of positive squares in 4 ways, for example, as 911254969 + 1237702761 = 30187^2 + 35181^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144459 + ... + 158638.

Almost surely, 2^2148957730 is an apocalyptic number.

2148957730 is a deficient number, since it is larger than the sum of its proper divisors (1724634710).

2148957730 is a wasteful number, since it uses less digits than its factorization.

2148957730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303813.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 2148957730 is about 46356.8520285836. The cubic root of 2148957730 is about 1290.4542858467.

The spelling of 2148957730 in words is "two billion, one hundred forty-eight million, nine hundred fifty-seven thousand, seven hundred thirty".