8421419698 has 8 divisors (see below), whose sum is σ = 12632780160. Its totient is φ = 4210492980.

The previous prime is 8421419681. The next prime is 8421419737. The reversal of 8421419698 is 8969141248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8421419698² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54538 + ... + 140773.

It is an arithmetic number, because the mean of its divisors is an integer number (1579097520).

Almost surely, 2^8421419698 is an apocalyptic number.

8421419698 is a deficient number, since it is larger than the sum of its proper divisors (4211360462).

8421419698 is a wasteful number, since it uses less digits than its factorization.

8421419698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216872.

The product of its digits is 995328, while the sum is 52.

The square root of 8421419698 is about 91768.2935332242. The cubic root of 8421419698 is about 2034.5190965008.

The spelling of 8421419698 in words is "eight billion, four hundred twenty-one million, four hundred nineteen thousand, six hundred ninety-eight".