91498289419 has 2 divisors, whose sum is σ = 91498289420. Its totient is φ = 91498289418.

The previous prime is 91498289387. The next prime is 91498289459.

It is a happy number.

91498289419 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 91498289419 - 2⁵ = 91498289387 is a prime.

It is a super-2 number, since 2×91498289419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (91498289459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45749144709 + 45749144710.

It is an arithmetic number, because the mean of its divisors is an integer number (45749144710).

Almost surely, 2^91498289419 is an apocalyptic number.

91498289419 is a deficient number, since it is larger than the sum of its proper divisors (1).

91498289419 is an equidigital number, since it uses as much as digits as its factorization.

91498289419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 64.

The spelling of 91498289419 in words is "ninety-one billion, four hundred ninety-eight million, two hundred eighty-nine thousand, four hundred nineteen".