418190671393643 has 2 divisors, whose sum is σ = 418190671393644. Its totient is φ = 418190671393642.

The previous prime is 418190671393619. The next prime is 418190671393829. The reversal of 418190671393643 is 346393176091814.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 418190671393643 - 2³⁸ = 417915793486699 is a prime.

It is a super-2 number, since 2×418190671393643² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 418190671393643.

It is not a weakly prime, because it can be changed into another prime (418190671393603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209095335696821 + 209095335696822.

It is an arithmetic number, because the mean of its divisors is an integer number (209095335696822).

Almost surely, 2^{418190671393643} is an apocalyptic number.

418190671393643 is a deficient number, since it is larger than the sum of its proper divisors (1).

418190671393643 is an equidigital number, since it uses as much as digits as its factorization.

418190671393643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 65.

The spelling of 418190671393643 in words is "four hundred eighteen trillion, one hundred ninety billion, six hundred seventy-one million, three hundred ninety-three thousand, six hundred forty-three".