94218752491 has 2 divisors, whose sum is σ = 94218752492. Its totient is φ = 94218752490.

The previous prime is 94218752489. The next prime is 94218752501. The reversal of 94218752491 is 19425781249.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94218752491 - 2¹ = 94218752489 is a prime.

Together with 94218752489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (94218752461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47109376245 + 47109376246.

It is an arithmetic number, because the mean of its divisors is an integer number (47109376246).

Almost surely, 2^94218752491 is an apocalyptic number.

94218752491 is a deficient number, since it is larger than the sum of its proper divisors (1).

94218752491 is an equidigital number, since it uses as much as digits as its factorization.

94218752491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The spelling of 94218752491 in words is "ninety-four billion, two hundred eighteen million, seven hundred fifty-two thousand, four hundred ninety-one".