2136317473 has 2 divisors, whose sum is σ = 2136317474. Its totient is φ = 2136317472.

The previous prime is 2136317471. The next prime is 2136317527. The reversal of 2136317473 is 3747136312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1686580624 + 449736849 = 41068^2 + 21207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136317473 - 2¹ = 2136317471 is a prime.

Together with 2136317471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2136317471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068158736 + 1068158737.

It is an arithmetic number, because the mean of its divisors is an integer number (1068158737).

Almost surely, 2^2136317473 is an apocalyptic number.

It is an amenable number.

2136317473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136317473 is an equidigital number, since it uses as much as digits as its factorization.

2136317473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 37.

The square root of 2136317473 is about 46220.3145056370. The cubic root of 2136317473 is about 1287.9191404766.

The spelling of 2136317473 in words is "two billion, one hundred thirty-six million, three hundred seventeen thousand, four hundred seventy-three".