91842486607 has 2 divisors, whose sum is σ = 91842486608. Its totient is φ = 91842486606.

The previous prime is 91842486557. The next prime is 91842486641. The reversal of 91842486607 is 70668424819.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91842486607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91842466607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45921243303 + 45921243304.

It is an arithmetic number, because the mean of its divisors is an integer number (45921243304).

Almost surely, 2^91842486607 is an apocalyptic number.

91842486607 is a deficient number, since it is larger than the sum of its proper divisors (1).

91842486607 is an equidigital number, since it uses as much as digits as its factorization.

91842486607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 91842486607 in words is "ninety-one billion, eight hundred forty-two million, four hundred eighty-six thousand, six hundred seven".