5619542191 has 2 divisors, whose sum is σ = 5619542192. Its totient is φ = 5619542190.

The previous prime is 5619542189. The next prime is 5619542209. The reversal of 5619542191 is 1912459165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5619542191 - 2¹ = 5619542189 is a prime.

Together with 5619542189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5619542171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809771095 + 2809771096.

It is an arithmetic number, because the mean of its divisors is an integer number (2809771096).

Almost surely, 2^5619542191 is an apocalyptic number.

5619542191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5619542191 is an equidigital number, since it uses as much as digits as its factorization.

5619542191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 43.

The square root of 5619542191 is about 74963.6057764033. The cubic root of 5619542191 is about 1777.8712707254.

The spelling of 5619542191 in words is "five billion, six hundred nineteen million, five hundred forty-two thousand, one hundred ninety-one".