2053866731 has 8 divisors (see below), whose sum is σ = 2470817280. Its totient is φ = 1667801448.

The previous prime is 2053866721. The next prime is 2053866743. The reversal of 2053866731 is 1376683502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2053866731 - 2²⁶ = 1986757867 is a prime.

It is a super-2 number, since 2×2053866731² = 8436737097417252722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053866721) 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, 7721171 + ... + 7721436.

It is an arithmetic number, because the mean of its divisors is an integer number (308852160).

Almost surely, 2^2053866731 is an apocalyptic number.

2053866731 is a deficient number, since it is larger than the sum of its proper divisors (416950549).

2053866731 is a wasteful number, since it uses less digits than its factorization.

2053866731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15442633.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2053866731 is about 45319.6064744609. The cubic root of 2053866731 is about 1271.1322968487.

The spelling of 2053866731 in words is "two billion, fifty-three million, eight hundred sixty-six thousand, seven hundred thirty-one".