418442600623 has 2 divisors, whose sum is σ = 418442600624. Its totient is φ = 418442600622.

The previous prime is 418442600603. The next prime is 418442600651. The reversal of 418442600623 is 326006244814.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418442600623 is a prime.

It is a super-2 number, since 2×418442600623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418442600603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209221300311 + 209221300312.

It is an arithmetic number, because the mean of its divisors is an integer number (209221300312).

Almost surely, 2^418442600623 is an apocalyptic number.

418442600623 is a deficient number, since it is larger than the sum of its proper divisors (1).

418442600623 is an equidigital number, since it uses as much as digits as its factorization.

418442600623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 418442600623 in words is "four hundred eighteen billion, four hundred forty-two million, six hundred thousand, six hundred twenty-three".