2150730009 has 32 divisors (see below), whose sum is σ = 3293539200. Its totient is φ = 1386348480.

The previous prime is 2150729981. The next prime is 2150730013. The reversal of 2150730009 is 9000370512.

It is a de Polignac number, because none of the positive numbers 2^k-2150730009 is a prime.

It is a super-2 number, since 2×2150730009² = 9251279143226280162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2150730019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86107 + ... + 108239.

It is an arithmetic number, because the mean of its divisors is an integer number (102923100).

Almost surely, 2^2150730009 is an apocalyptic number.

It is an amenable number.

2150730009 is a deficient number, since it is larger than the sum of its proper divisors (1142809191).

2150730009 is a wasteful number, since it uses less digits than its factorization.

2150730009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262 (or 22256 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2150730009 is about 46375.9636988818. The cubic root of 2150730009 is about 1290.8089409689.

The spelling of 2150730009 in words is "two billion, one hundred fifty million, seven hundred thirty thousand, nine".