5219799427 has 2 divisors, whose sum is σ = 5219799428. Its totient is φ = 5219799426.

The previous prime is 5219799379. The next prime is 5219799547. The reversal of 5219799427 is 7249979125.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5219799427 - 2²³ = 5211410819 is a prime.

It is not a weakly prime, because it can be changed into another prime (5219799727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2609899713 + 2609899714.

It is an arithmetic number, because the mean of its divisors is an integer number (2609899714).

Almost surely, 2^5219799427 is an apocalyptic number.

5219799427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5219799427 is an equidigital number, since it uses as much as digits as its factorization.

5219799427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680, while the sum is 55.

The square root of 5219799427 is about 72248.1794026673. The cubic root of 5219799427 is about 1734.6742768184.

The spelling of 5219799427 in words is "five billion, two hundred nineteen million, seven hundred ninety-nine thousand, four hundred twenty-seven".