8372423354819 has 4 divisors (see below), whose sum is σ = 8372433795096. Its totient is φ = 8372412914544.

The previous prime is 8372423354809. The next prime is 8372423354833. The reversal of 8372423354819 is 9184533242738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8372423354819 is a prime.

It is a super-2 number, since 2×8372423354819² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8372423354809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3907154 + ... + 5657799.

It is an arithmetic number, because the mean of its divisors is an integer number (2093108448774).

Almost surely, 2^{8372423354819} is an apocalyptic number.

8372423354819 is a deficient number, since it is larger than the sum of its proper divisors (10440277).

8372423354819 is an equidigital number, since it uses as much as digits as its factorization.

8372423354819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440276.

The product of its digits is 34836480, while the sum is 59.

The spelling of 8372423354819 in words is "eight trillion, three hundred seventy-two billion, four hundred twenty-three million, three hundred fifty-four thousand, eight hundred nineteen".