2136430773 has 6 divisors (see below), whose sum is σ = 3085955574. Its totient is φ = 1424287176.

The previous prime is 2136430763. The next prime is 2136430811. The reversal of 2136430773 is 3770346312.

2136430773 is a `hidden beast` number, since 2 + 1 + 3 + 643 + 0 + 7 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1172514564 + 963916209 = 34242^2 + 31047^2 .

It is not a de Polignac number, because 2136430773 - 2⁵ = 2136430741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136430763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118690590 + ... + 118690607.

It is an arithmetic number, because the mean of its divisors is an integer number (514325929).

Almost surely, 2^2136430773 is an apocalyptic number.

It is an amenable number.

2136430773 is a deficient number, since it is larger than the sum of its proper divisors (949524801).

2136430773 is a wasteful number, since it uses less digits than its factorization.

2136430773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237381203 (or 237381200 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 2136430773 is about 46221.5401409343. The cubic root of 2136430773 is about 1287.9419084190.

The spelling of 2136430773 in words is "two billion, one hundred thirty-six million, four hundred thirty thousand, seven hundred seventy-three".