8423698409 has 8 divisors (see below), whose sum is σ = 9850969920. Its totient is φ = 7052398416.

The previous prime is 8423698397. The next prime is 8423698421. The reversal of 8423698409 is 9048963248.

It is an interprime number because it is at equal distance from previous prime (8423698397) and next prime (8423698421).

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

It is not a de Polignac number, because 8423698409 - 2¹⁶ = 8423632873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8423698609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13992554 + ... + 13993155.

It is an arithmetic number, because the mean of its divisors is an integer number (1231371240).

Almost surely, 2^8423698409 is an apocalyptic number.

It is an amenable number.

8423698409 is a deficient number, since it is larger than the sum of its proper divisors (1427271511).

8423698409 is a wasteful number, since it uses less digits than its factorization.

8423698409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27985759.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 8423698409 is about 91780.7082615949. The cubic root of 8423698409 is about 2034.7025834947.

The spelling of 8423698409 in words is "eight billion, four hundred twenty-three million, six hundred ninety-eight thousand, four hundred nine".