94218752489 has 2 divisors, whose sum is σ = 94218752490. Its totient is φ = 94218752488.

The previous prime is 94218752461. The next prime is 94218752491. The reversal of 94218752489 is 98425781249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65137248400 + 29081504089 = 255220^2 + 170533^2 .

It is a cyclic number.

It is not a de Polignac number, because 94218752489 - 2²⁸ = 93950317033 is a prime.

Together with 94218752491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94218752449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47109376244 + 47109376245.

It is an arithmetic number, because the mean of its divisors is an integer number (47109376245).

Almost surely, 2^94218752489 is an apocalyptic number.

It is an amenable number.

94218752489 is a deficient number, since it is larger than the sum of its proper divisors (1).

94218752489 is an equidigital number, since it uses as much as digits as its factorization.

94218752489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 59.

The spelling of 94218752489 in words is "ninety-four billion, two hundred eighteen million, seven hundred fifty-two thousand, four hundred eighty-nine".