2150380730 has 16 divisors (see below), whose sum is σ = 3872330280. Its totient is φ = 859786752.

The previous prime is 2150380721. The next prime is 2150380741. The reversal of 2150380730 is 370830512.

2150380730 = 13381² + 13382² + ... + 13392².

It can be written as a sum of positive squares in 4 ways, for example, as 2142856681 + 7524049 = 46291^2 + 2743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2150380693 and 2150380702.

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, 20315 + ... + 68654.

Almost surely, 2^2150380730 is an apocalyptic number.

2150380730 is a deficient number, since it is larger than the sum of its proper divisors (1721949550).

2150380730 is a wasteful number, since it uses less digits than its factorization.

2150380730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91393.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2150380730 is about 46372.1978129137. The cubic root of 2150380730 is about 1290.7390613059.

The spelling of 2150380730 in words is "two billion, one hundred fifty million, three hundred eighty thousand, seven hundred thirty".