2130531653 has 4 divisors (see below), whose sum is σ = 2223163488. Its totient is φ = 2037899820.

The previous prime is 2130531643. The next prime is 2130531659. The reversal of 2130531653 is 3561350312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2130531653 - 2⁶ = 2130531589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130531659) 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, 46315883 + ... + 46315928.

It is an arithmetic number, because the mean of its divisors is an integer number (555790872).

Almost surely, 2^2130531653 is an apocalyptic number.

2130531653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2130531653 is a deficient number, since it is larger than the sum of its proper divisors (92631835).

2130531653 is an equidigital number, since it uses as much as digits as its factorization.

2130531653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92631834.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 2130531653 is about 46157.6824916503. The cubic root of 2130531653 is about 1286.7553924679.

Adding to 2130531653 its reverse (3561350312), we get a palindrome (5691881965).

The spelling of 2130531653 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred fifty-three".