91419359 has 2 divisors, whose sum is σ = 91419360. Its totient is φ = 91419358.

The previous prime is 91419343. The next prime is 91419389. The reversal of 91419359 is 95391419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91419359 - 2⁴ = 91419343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91419389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45709679 + 45709680.

It is an arithmetic number, because the mean of its divisors is an integer number (45709680).

Almost surely, 2^91419359 is an apocalyptic number.

91419359 is a deficient number, since it is larger than the sum of its proper divisors (1).

91419359 is an equidigital number, since it uses as much as digits as its factorization.

91419359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 41.

The square root of 91419359 is about 9561.3471331188. The cubic root of 91419359 is about 450.4840207636.

The spelling of 91419359 in words is "ninety-one million, four hundred nineteen thousand, three hundred fifty-nine".