85442162933 has 2 divisors, whose sum is σ = 85442162934. Its totient is φ = 85442162932.

The previous prime is 85442162887. The next prime is 85442162959. The reversal of 85442162933 is 33926124458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59839922884 + 25602240049 = 244622^2 + 160007^2 .

It is a cyclic number.

It is not a de Polignac number, because 85442162933 - 2²⁸ = 85173727477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85442162963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42721081466 + 42721081467.

It is an arithmetic number, because the mean of its divisors is an integer number (42721081467).

Almost surely, 2^85442162933 is an apocalyptic number.

It is an amenable number.

85442162933 is a deficient number, since it is larger than the sum of its proper divisors (1).

85442162933 is an equidigital number, since it uses as much as digits as its factorization.

85442162933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The spelling of 85442162933 in words is "eighty-five billion, four hundred forty-two million, one hundred sixty-two thousand, nine hundred thirty-three".