2730150921 has 24 divisors (see below), whose sum is σ = 3871294560. Its totient is φ = 1711101952.

The previous prime is 2730150919. The next prime is 2730150947. The reversal of 2730150921 is 1290510372.

It is not a de Polignac number, because 2730150921 - 2¹ = 2730150919 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2730150911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1444345 + ... + 1446233.

It is an arithmetic number, because the mean of its divisors is an integer number (161303940).

Almost surely, 2^2730150921 is an apocalyptic number.

It is an amenable number.

2730150921 is a deficient number, since it is larger than the sum of its proper divisors (1141143639).

2730150921 is a wasteful number, since it uses less digits than its factorization.

2730150921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2730150921 is about 52250.8461271203. The cubic root of 2730150921 is about 1397.6407409009.

The spelling of 2730150921 in words is "two billion, seven hundred thirty million, one hundred fifty thousand, nine hundred twenty-one".