7198663842719 has 4 divisors (see below), whose sum is σ = 7198849840560. Its totient is φ = 7198477844880.

The previous prime is 7198663842703. The next prime is 7198663842791. The reversal of 7198663842719 is 9172483668917.

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

It is a cyclic number.

It is not a de Polignac number, because 7198663842719 - 2⁴ = 7198663842703 is a prime.

It is a super-2 number, since 2×7198663842719² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7198663842319) 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, 92940854 + ... + 93018275.

It is an arithmetic number, because the mean of its divisors is an integer number (1799712460140).

Almost surely, 2^{7198663842719} is an apocalyptic number.

7198663842719 is a deficient number, since it is larger than the sum of its proper divisors (185997841).

7198663842719 is a wasteful number, since it uses less digits than its factorization.

7198663842719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185997840.

The product of its digits is 219469824, while the sum is 71.

The spelling of 7198663842719 in words is "seven trillion, one hundred ninety-eight billion, six hundred sixty-three million, eight hundred forty-two thousand, seven hundred nineteen".