94185711397 has 2 divisors, whose sum is σ = 94185711398. Its totient is φ = 94185711396.

The previous prime is 94185711359. The next prime is 94185711457. The reversal of 94185711397 is 79311758149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73359180801 + 20826530596 = 270849^2 + 144314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94185711397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94185711307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47092855698 + 47092855699.

It is an arithmetic number, because the mean of its divisors is an integer number (47092855699).

Almost surely, 2^94185711397 is an apocalyptic number.

It is an amenable number.

94185711397 is a deficient number, since it is larger than the sum of its proper divisors (1).

94185711397 is an equidigital number, since it uses as much as digits as its factorization.

94185711397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 55.

The spelling of 94185711397 in words is "ninety-four billion, one hundred eighty-five million, seven hundred eleven thousand, three hundred ninety-seven".