94373288981 has 2 divisors, whose sum is σ = 94373288982. Its totient is φ = 94373288980.

The previous prime is 94373288969. The next prime is 94373288983. The reversal of 94373288981 is 18988237349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49892369956 + 44480919025 = 223366^2 + 210905^2 .

It is an emirp because it is prime and its reverse (18988237349) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94373288981 - 2¹⁴ = 94373272597 is a prime.

It is a super-2 number, since 2×94373288981² (a number of 23 digits) contains 22 as substring.

Together with 94373288983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94373288983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47186644490 + 47186644491.

It is an arithmetic number, because the mean of its divisors is an integer number (47186644491).

Almost surely, 2^94373288981 is an apocalyptic number.

It is an amenable number.

94373288981 is a deficient number, since it is larger than the sum of its proper divisors (1).

94373288981 is an equidigital number, since it uses as much as digits as its factorization.

94373288981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 62.

The spelling of 94373288981 in words is "ninety-four billion, three hundred seventy-three million, two hundred eighty-eight thousand, nine hundred eighty-one".