418494949899 has 32 divisors (see below), whose sum is σ = 609485990400. Its totient is φ = 253863697920.

The previous prime is 418494949861. The next prime is 418494949903. The reversal of 418494949899 is 998949494814.

It is not a de Polignac number, because 418494949899 - 2⁷ = 418494949771 is a prime.

It is a super-2 number, since 2×418494949899² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (418494941899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23164732 + ... + 23182790.

It is an arithmetic number, because the mean of its divisors is an integer number (19046437200).

Almost surely, 2^418494949899 is an apocalyptic number.

418494949899 is a deficient number, since it is larger than the sum of its proper divisors (190991040501).

418494949899 is a wasteful number, since it uses less digits than its factorization.

418494949899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26515.

The product of its digits is 967458816, while the sum is 78.

The spelling of 418494949899 in words is "four hundred eighteen billion, four hundred ninety-four million, nine hundred forty-nine thousand, eight hundred ninety-nine".