8319419543 has 2 divisors, whose sum is σ = 8319419544. Its totient is φ = 8319419542.

The previous prime is 8319419527. The next prime is 8319419551. The reversal of 8319419543 is 3459149138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8319419543 - 2⁴ = 8319419527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8319439543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4159709771 + 4159709772.

It is an arithmetic number, because the mean of its divisors is an integer number (4159709772).

Almost surely, 2^8319419543 is an apocalyptic number.

8319419543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8319419543 is an equidigital number, since it uses as much as digits as its factorization.

8319419543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 8319419543 is about 91210.8521120157. The cubic root of 8319419543 is about 2026.2716835101.

The spelling of 8319419543 in words is "eight billion, three hundred nineteen million, four hundred nineteen thousand, five hundred forty-three".