418699428089 has 2 divisors, whose sum is σ = 418699428090. Its totient is φ = 418699428088.

The previous prime is 418699428071. The next prime is 418699428107. The reversal of 418699428089 is 980824996814.

It is a balanced prime because it is at equal distance from previous prime (418699428071) and next prime (418699428107).

It can be written as a sum of positive squares in only one way, i.e., 401554144489 + 17145283600 = 633683^2 + 130940^2 .

It is a cyclic number.

It is not a de Polignac number, because 418699428089 - 2²⁰ = 418698379513 is a prime.

It is a super-2 number, since 2×418699428089² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (418699428689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209349714044 + 209349714045.

It is an arithmetic number, because the mean of its divisors is an integer number (209349714045).

Almost surely, 2^418699428089 is an apocalyptic number.

It is an amenable number.

418699428089 is a deficient number, since it is larger than the sum of its proper divisors (1).

418699428089 is an equidigital number, since it uses as much as digits as its factorization.

418699428089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 418699428089 in words is "four hundred eighteen billion, six hundred ninety-nine million, four hundred twenty-eight thousand, eighty-nine".