94839107381 has 2 divisors, whose sum is σ = 94839107382. Its totient is φ = 94839107380.

The previous prime is 94839107353. The next prime is 94839107383. The reversal of 94839107381 is 18370193849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67115192356 + 27723915025 = 259066^2 + 166505^2 .

It is a cyclic number.

It is not a de Polignac number, because 94839107381 - 2³⁴ = 77659238197 is a prime.

It is a super-2 number, since 2×94839107381² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 94839107383, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94839107383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47419553690 + 47419553691.

It is an arithmetic number, because the mean of its divisors is an integer number (47419553691).

Almost surely, 2^94839107381 is an apocalyptic number.

It is an amenable number.

94839107381 is a deficient number, since it is larger than the sum of its proper divisors (1).

94839107381 is an equidigital number, since it uses as much as digits as its factorization.

94839107381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 94839107381 in words is "ninety-four billion, eight hundred thirty-nine million, one hundred seven thousand, three hundred eighty-one".