5398221919 has 2 divisors, whose sum is σ = 5398221920. Its totient is φ = 5398221918.

The previous prime is 5398221869. The next prime is 5398221937. The reversal of 5398221919 is 9191228935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5398221919 - 2²³ = 5389833311 is a prime.

It is a super-2 number, since 2×5398221919² = 58281599773544085122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5398221979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699110959 + 2699110960.

It is an arithmetic number, because the mean of its divisors is an integer number (2699110960).

Almost surely, 2^5398221919 is an apocalyptic number.

5398221919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398221919 is an equidigital number, since it uses as much as digits as its factorization.

5398221919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 5398221919 is about 73472.5929786067. The cubic root of 5398221919 is about 1754.2180610338.

The spelling of 5398221919 in words is "five billion, three hundred ninety-eight million, two hundred twenty-one thousand, nine hundred nineteen".