7421713544191 has 2 divisors, whose sum is σ = 7421713544192. Its totient is φ = 7421713544190.

The previous prime is 7421713544183. The next prime is 7421713544227. The reversal of 7421713544191 is 1914453171247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7421713544191 - 2³ = 7421713544183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7421713544101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710856772095 + 3710856772096.

It is an arithmetic number, because the mean of its divisors is an integer number (3710856772096).

Almost surely, 2^{7421713544191} is an apocalyptic number.

7421713544191 is a deficient number, since it is larger than the sum of its proper divisors (1).

7421713544191 is an equidigital number, since it uses as much as digits as its factorization.

7421713544191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The spelling of 7421713544191 in words is "seven trillion, four hundred twenty-one billion, seven hundred thirteen million, five hundred forty-four thousand, one hundred ninety-one".