454116381819 has 16 divisors (see below), whose sum is σ = 650917102080. Its totient is φ = 280707996960.

The previous prime is 454116381787. The next prime is 454116381839. The reversal of 454116381819 is 918183611454.

It is not a de Polignac number, because 454116381819 - 2⁵ = 454116381787 is a prime.

It is a super-2 number, since 2×454116381819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454116381839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84752152 + ... + 84757509.

It is an arithmetic number, because the mean of its divisors is an integer number (40682318880).

Almost surely, 2^454116381819 is an apocalyptic number.

454116381819 is a deficient number, since it is larger than the sum of its proper divisors (196800720261).

454116381819 is a wasteful number, since it uses less digits than its factorization.

454116381819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169509730.

The product of its digits is 829440, while the sum is 51.

The spelling of 454116381819 in words is "four hundred fifty-four billion, one hundred sixteen million, three hundred eighty-one thousand, eight hundred nineteen".