418928277454823 has 2 divisors, whose sum is σ = 418928277454824. Its totient is φ = 418928277454822.

The previous prime is 418928277454759. The next prime is 418928277454859. The reversal of 418928277454823 is 328454772829814.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 418928277454823 - 2⁶ = 418928277454759 is a prime.

It is a super-2 number, since 2×418928277454823² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418928277454123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209464138727411 + 209464138727412.

It is an arithmetic number, because the mean of its divisors is an integer number (209464138727412).

Almost surely, 2^{418928277454823} is an apocalyptic number.

418928277454823 is a deficient number, since it is larger than the sum of its proper divisors (1).

418928277454823 is an equidigital number, since it uses as much as digits as its factorization.

418928277454823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1734082560, while the sum is 74.

The spelling of 418928277454823 in words is "four hundred eighteen trillion, nine hundred twenty-eight billion, two hundred seventy-seven million, four hundred fifty-four thousand, eight hundred twenty-three".