418319641 has 2 divisors, whose sum is σ = 418319642. Its totient is φ = 418319640.

The previous prime is 418319623. The next prime is 418319677. The reversal of 418319641 is 146913814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314707600 + 103612041 = 17740^2 + 10179^2 .

It is a cyclic number.

It is not a de Polignac number, because 418319641 - 2¹⁷ = 418188569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 418319641.

It is not a weakly prime, because it can be changed into another prime (418319621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209159820 + 209159821.

It is an arithmetic number, because the mean of its divisors is an integer number (209159821).

Almost surely, 2^418319641 is an apocalyptic number.

It is an amenable number.

418319641 is a deficient number, since it is larger than the sum of its proper divisors (1).

418319641 is an equidigital number, since it uses as much as digits as its factorization.

418319641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 418319641 is about 20452.8638825960. The cubic root of 418319641 is about 747.8871741376.

The spelling of 418319641 in words is "four hundred eighteen million, three hundred nineteen thousand, six hundred forty-one".