2136617473 has 2 divisors, whose sum is σ = 2136617474. Its totient is φ = 2136617472.

The previous prime is 2136617381. The next prime is 2136617491. The reversal of 2136617473 is 3747166312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1550154384 + 586463089 = 39372^2 + 24217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2136617473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2136317473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068308736 + 1068308737.

It is an arithmetic number, because the mean of its divisors is an integer number (1068308737).

Almost surely, 2^2136617473 is an apocalyptic number.

It is an amenable number.

2136617473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136617473 is an equidigital number, since it uses as much as digits as its factorization.

2136617473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 2136617473 is about 46223.5597179620. The cubic root of 2136617473 is about 1287.9794245344.

The spelling of 2136617473 in words is "two billion, one hundred thirty-six million, six hundred seventeen thousand, four hundred seventy-three".