91454688645419 has 8 divisors (see below), whose sum is σ = 100093730899008. Its totient is φ = 82869809666760.

The previous prime is 91454688645407. The next prime is 91454688645421.

It is a happy number.

91454688645419 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91454688645419 - 2²⁰ = 91454687596843 is a prime.

It is a super-2 number, since 2×91454688645419² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91454688645119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13540815197 + ... + 13540821950.

It is an arithmetic number, because the mean of its divisors is an integer number (12511716362376).

Almost surely, 2^{91454688645419} is an apocalyptic number.

91454688645419 is a deficient number, since it is larger than the sum of its proper divisors (8639042253589).

91454688645419 is a wasteful number, since it uses less digits than its factorization.

91454688645419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27081637465.

The product of its digits is 1194393600, while the sum is 74.

The spelling of 91454688645419 in words is "ninety-one trillion, four hundred fifty-four billion, six hundred eighty-eight million, six hundred forty-five thousand, four hundred nineteen".