1799218412 has 24 divisors (see below), whose sum is σ = 3168915456. Its totient is φ = 893830608.

The previous prime is 1799218411. The next prime is 1799218417. The reversal of 1799218412 is 2148129971.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1799218411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539783 + ... + 543105.

It is an arithmetic number, because the mean of its divisors is an integer number (132038144).

Almost surely, 2^1799218412 is an apocalyptic number.

It is an amenable number.

1799218412 is a deficient number, since it is larger than the sum of its proper divisors (1369697044).

1799218412 is a wasteful number, since it uses less digits than its factorization.

1799218412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157 (or 4155 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 1799218412 is about 42417.1947681598. The cubic root of 1799218412 is about 1216.2643078438.

The spelling of 1799218412 in words is "one billion, seven hundred ninety-nine million, two hundred eighteen thousand, four hundred twelve".