6536731673 has 2 divisors, whose sum is σ = 6536731674. Its totient is φ = 6536731672.

The previous prime is 6536731667. The next prime is 6536731687. The reversal of 6536731673 is 3761376356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6511198864 + 25532809 = 80692^2 + 5053^2 .

It is a cyclic number.

It is not a de Polignac number, because 6536731673 - 2¹⁶ = 6536666137 is a prime.

It is not a weakly prime, because it can be changed into another prime (6536731603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268365836 + 3268365837.

It is an arithmetic number, because the mean of its divisors is an integer number (3268365837).

Almost surely, 2^6536731673 is an apocalyptic number.

It is an amenable number.

6536731673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6536731673 is an equidigital number, since it uses as much as digits as its factorization.

6536731673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 47.

The square root of 6536731673 is about 80850.0567284897. The cubic root of 6536731673 is about 1869.7643971908.

The spelling of 6536731673 in words is "six billion, five hundred thirty-six million, seven hundred thirty-one thousand, six hundred seventy-three".