2109366730 has 16 divisors (see below), whose sum is σ = 3798571464. Its totient is φ = 843366400.

The previous prime is 2109366713. The next prime is 2109366739. The reversal of 2109366730 is 376639012.

It can be written as a sum of positive squares in 4 ways, for example, as 2088764209 + 20602521 = 45703^2 + 4539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2109366730.

It is not an unprimeable number, because it can be changed into a prime (2109366739) 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, 23671 + ... + 69130.

Almost surely, 2^2109366730 is an apocalyptic number.

2109366730 is a deficient number, since it is larger than the sum of its proper divisors (1689204734).

2109366730 is a wasteful number, since it uses less digits than its factorization.

2109366730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95081.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 2109366730 is about 45927.8426447400. The cubic root of 2109366730 is about 1282.4802839756.

The spelling of 2109366730 in words is "two billion, one hundred nine million, three hundred sixty-six thousand, seven hundred thirty".