94350091691 has 2 divisors, whose sum is σ = 94350091692. Its totient is φ = 94350091690.

The previous prime is 94350091669. The next prime is 94350091699. The reversal of 94350091691 is 19619005349.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94350091691 - 2¹⁸ = 94349829547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (94350091699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47175045845 + 47175045846.

It is an arithmetic number, because the mean of its divisors is an integer number (47175045846).

Almost surely, 2^94350091691 is an apocalyptic number.

94350091691 is a deficient number, since it is larger than the sum of its proper divisors (1).

94350091691 is an equidigital number, since it uses as much as digits as its factorization.

94350091691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 94350091691 in words is "ninety-four billion, three hundred fifty million, ninety-one thousand, six hundred ninety-one".