94689320381 has 2 divisors, whose sum is σ = 94689320382. Its totient is φ = 94689320380.

The previous prime is 94689320347. The next prime is 94689320387. The reversal of 94689320381 is 18302398649.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92604576100 + 2084744281 = 304310^2 + 45659^2 .

It is a cyclic number.

It is not a de Polignac number, because 94689320381 - 2¹⁴ = 94689303997 is a prime.

It is a super-2 number, since 2×94689320381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94689320387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47344660190 + 47344660191.

It is an arithmetic number, because the mean of its divisors is an integer number (47344660191).

Almost surely, 2^94689320381 is an apocalyptic number.

It is an amenable number.

94689320381 is a deficient number, since it is larger than the sum of its proper divisors (1).

94689320381 is an equidigital number, since it uses as much as digits as its factorization.

94689320381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 94689320381 in words is "ninety-four billion, six hundred eighty-nine million, three hundred twenty thousand, three hundred eighty-one".