94093439081 has 2 divisors, whose sum is σ = 94093439082. Its totient is φ = 94093439080.

The previous prime is 94093439053. The next prime is 94093439087. The reversal of 94093439081 is 18093439049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52479479056 + 41613960025 = 229084^2 + 203995^2 .

It is a cyclic number.

It is not a de Polignac number, because 94093439081 - 2³⁰ = 93019697257 is a prime.

It is a super-2 number, since 2×94093439081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94093439087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47046719540 + 47046719541.

It is an arithmetic number, because the mean of its divisors is an integer number (47046719541).

Almost surely, 2^94093439081 is an apocalyptic number.

It is an amenable number.

94093439081 is a deficient number, since it is larger than the sum of its proper divisors (1).

94093439081 is an equidigital number, since it uses as much as digits as its factorization.

94093439081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 94093439081 in words is "ninety-four billion, ninety-three million, four hundred thirty-nine thousand, eighty-one".