1916772713 has 2 divisors, whose sum is σ = 1916772714. Its totient is φ = 1916772712.

The previous prime is 1916772691. The next prime is 1916772721. The reversal of 1916772713 is 3172776191.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002798889 + 913973824 = 31667^2 + 30232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916772713 - 2¹⁴ = 1916756329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1916772733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958386356 + 958386357.

It is an arithmetic number, because the mean of its divisors is an integer number (958386357).

Almost surely, 2^1916772713 is an apocalyptic number.

It is an amenable number.

1916772713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916772713 is an equidigital number, since it uses as much as digits as its factorization.

1916772713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 44.

The square root of 1916772713 is about 43780.9629062678. The cubic root of 1916772713 is about 1242.1962277355.

The spelling of 1916772713 in words is "one billion, nine hundred sixteen million, seven hundred seventy-two thousand, seven hundred thirteen".