94144993 has 2 divisors, whose sum is σ = 94144994. Its totient is φ = 94144992.

The previous prime is 94144951. The next prime is 94145053. The reversal of 94144993 is 39944149.

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., 61105489 + 33039504 = 7817^2 + 5748^2 .

It is a cyclic number.

It is not a de Polignac number, because 94144993 - 2²⁵ = 60590561 is a prime.

It is not a weakly prime, because it can be changed into another prime (94144903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47072496 + 47072497.

It is an arithmetic number, because the mean of its divisors is an integer number (47072497).

Almost surely, 2^94144993 is an apocalyptic number.

It is an amenable number.

94144993 is a deficient number, since it is larger than the sum of its proper divisors (1).

94144993 is an equidigital number, since it uses as much as digits as its factorization.

94144993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 94144993 is about 9702.8342766431. The cubic root of 94144993 is about 454.9172542037.

The spelling of 94144993 in words is "ninety-four million, one hundred forty-four thousand, nine hundred ninety-three".