2053866730 has 32 divisors (see below), whose sum is σ = 3936114000. Its totient is φ = 768936960.

The previous prime is 2053866721. The next prime is 2053866743. The reversal of 2053866730 is 376683502.

It can be written as a sum of positive squares in 8 ways, for example, as 639128961 + 1414737769 = 25281^2 + 37613^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605 + ... + 64144.

Almost surely, 2^2053866730 is an apocalyptic number.

2053866730 is a deficient number, since it is larger than the sum of its proper divisors (1882247270).

2053866730 is a wasteful number, since it uses less digits than its factorization.

2053866730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66954.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 2053866730 is about 45319.6064634282. The cubic root of 2053866730 is about 1271.1322966424.

The spelling of 2053866730 in words is "two billion, fifty-three million, eight hundred sixty-six thousand, seven hundred thirty".