2130164509 has 4 divisors (see below), whose sum is σ = 2323815840. Its totient is φ = 1936513180.

The previous prime is 2130164501. The next prime is 2130164513. The reversal of 2130164509 is 9054610312.

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 a cyclic number.

It is not a de Polignac number, because 2130164509 - 2³ = 2130164501 is a prime.

It is a super-2 number, since 2×2130164509² = 9075201670806422162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130164501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96825649 + ... + 96825670.

It is an arithmetic number, because the mean of its divisors is an integer number (580953960).

Almost surely, 2^2130164509 is an apocalyptic number.

It is an amenable number.

2130164509 is a deficient number, since it is larger than the sum of its proper divisors (193651331).

2130164509 is a wasteful number, since it uses less digits than its factorization.

2130164509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193651330.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2130164509 is about 46153.7052575413. The cubic root of 2130164509 is about 1286.6814748207.

The spelling of 2130164509 in words is "two billion, one hundred thirty million, one hundred sixty-four thousand, five hundred nine".