8421419699 has 16 divisors (see below), whose sum is σ = 10597568256. Its totient is φ = 6500810400.

The previous prime is 8421419681. The next prime is 8421419737. The reversal of 8421419699 is 9969141248.

It is not a de Polignac number, because 8421419699 - 2⁸ = 8421419443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8421419699.

It is not an unprimeable number, because it can be changed into a prime (8421419099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502832 + ... + 519309.

It is an arithmetic number, because the mean of its divisors is an integer number (662348016).

Almost surely, 2^8421419699 is an apocalyptic number.

8421419699 is a deficient number, since it is larger than the sum of its proper divisors (2176148557).

8421419699 is a wasteful number, since it uses less digits than its factorization.

8421419699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022266.

The product of its digits is 1119744, while the sum is 53.

The square root of 8421419699 is about 91768.2935386727. The cubic root of 8421419699 is about 2034.5190965813.

The spelling of 8421419699 in words is "eight billion, four hundred twenty-one million, four hundred nineteen thousand, six hundred ninety-nine".