2136628293 has 4 divisors (see below), whose sum is σ = 2848837728. Its totient is φ = 1424418860.

The previous prime is 2136628259. The next prime is 2136628327. The reversal of 2136628293 is 3928266312.

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 an interprime number because it is at equal distance from previous prime (2136628259) and next prime (2136628327).

It is a cyclic number.

It is not a de Polignac number, because 2136628293 - 2¹⁴ = 2136611909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136628253) 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, 356104713 + ... + 356104718.

It is an arithmetic number, because the mean of its divisors is an integer number (712209432).

Almost surely, 2^2136628293 is an apocalyptic number.

It is an amenable number.

2136628293 is a deficient number, since it is larger than the sum of its proper divisors (712209435).

2136628293 is an equidigital number, since it uses as much as digits as its factorization.

2136628293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712209434.

The product of its digits is 186624, while the sum is 42.

The square root of 2136628293 is about 46223.6767576964. The cubic root of 2136628293 is about 1287.9815986739.

The spelling of 2136628293 in words is "two billion, one hundred thirty-six million, six hundred twenty-eight thousand, two hundred ninety-three".