5394521219 has 2 divisors, whose sum is σ = 5394521220. Its totient is φ = 5394521218.

The previous prime is 5394521129. The next prime is 5394521221. The reversal of 5394521219 is 9121254935.

Together with previous prime (5394521129) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5394521219 is a prime.

It is a super-2 number, since 2×5394521219² = 58201718364482491922, which contains 22 as substring.

Together with 5394521221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5394521239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697260609 + 2697260610.

It is an arithmetic number, because the mean of its divisors is an integer number (2697260610).

Almost surely, 2^5394521219 is an apocalyptic number.

5394521219 is a deficient number, since it is larger than the sum of its proper divisors (1).

5394521219 is an equidigital number, since it uses as much as digits as its factorization.

5394521219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 41.

The square root of 5394521219 is about 73447.4044401843. The cubic root of 5394521219 is about 1753.8171068608.

The spelling of 5394521219 in words is "five billion, three hundred ninety-four million, five hundred twenty-one thousand, two hundred nineteen".