2130516653 has 4 divisors (see below), whose sum is σ = 2255841180. Its totient is φ = 2005192128.

The previous prime is 2130516649. The next prime is 2130516659. The reversal of 2130516653 is 3566150312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1867363369 + 263153284 = 43213^2 + 16222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130516653 - 2² = 2130516649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130516659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62662238 + ... + 62662271.

It is an arithmetic number, because the mean of its divisors is an integer number (563960295).

Almost surely, 2^2130516653 is an apocalyptic number.

It is an amenable number.

2130516653 is a deficient number, since it is larger than the sum of its proper divisors (125324527).

2130516653 is a wasteful number, since it uses less digits than its factorization.

2130516653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125324526.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 2130516653 is about 46157.5200048703. The cubic root of 2130516653 is about 1286.7523726620.

Adding to 2130516653 its reverse (3566150312), we get a palindrome (5696666965).

The spelling of 2130516653 in words is "two billion, one hundred thirty million, five hundred sixteen thousand, six hundred fifty-three".