85494671357833 has 2 divisors, whose sum is σ = 85494671357834. Its totient is φ = 85494671357832.

The previous prime is 85494671357813. The next prime is 85494671357861. The reversal of 85494671357833 is 33875317649458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81062075888704 + 4432595469129 = 9003448^2 + 2105373^2 .

It is a cyclic number.

It is not a de Polignac number, because 85494671357833 - 2²⁵ = 85494637803401 is a prime.

It is not a weakly prime, because it can be changed into another prime (85494671357813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42747335678916 + 42747335678917.

It is an arithmetic number, because the mean of its divisors is an integer number (42747335678917).

Almost surely, 2^{85494671357833} is an apocalyptic number.

It is an amenable number.

85494671357833 is a deficient number, since it is larger than the sum of its proper divisors (1).

85494671357833 is an equidigital number, since it uses as much as digits as its factorization.

85494671357833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1828915200, while the sum is 73.

The spelling of 85494671357833 in words is "eighty-five trillion, four hundred ninety-four billion, six hundred seventy-one million, three hundred fifty-seven thousand, eight hundred thirty-three".