71794516853 has 2 divisors, whose sum is σ = 71794516854. Its totient is φ = 71794516852.

The previous prime is 71794516847. The next prime is 71794516961. The reversal of 71794516853 is 35861549717.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53832352324 + 17962164529 = 232018^2 + 134023^2 .

It is a cyclic number.

It is not a de Polignac number, because 71794516853 - 2⁸ = 71794516597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71794516553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35897258426 + 35897258427.

It is an arithmetic number, because the mean of its divisors is an integer number (35897258427).

Almost surely, 2^71794516853 is an apocalyptic number.

It is an amenable number.

71794516853 is a deficient number, since it is larger than the sum of its proper divisors (1).

71794516853 is an equidigital number, since it uses as much as digits as its factorization.

71794516853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 56.

The spelling of 71794516853 in words is "seventy-one billion, seven hundred ninety-four million, five hundred sixteen thousand, eight hundred fifty-three".