1427159219 has 2 divisors, whose sum is σ = 1427159220. Its totient is φ = 1427159218.

The previous prime is 1427159159. The next prime is 1427159257. The reversal of 1427159219 is 9129517241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1427159219 - 2²⁴ = 1410382003 is a prime.

It is a super-2 number, since 2×1427159219² = 4073566872753379922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1427153219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713579609 + 713579610.

It is an arithmetic number, because the mean of its divisors is an integer number (713579610).

Almost surely, 2^1427159219 is an apocalyptic number.

1427159219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427159219 is an equidigital number, since it uses as much as digits as its factorization.

1427159219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 1427159219 is about 37777.7609050616. The cubic root of 1427159219 is about 1125.8766418793.

The spelling of 1427159219 in words is "one billion, four hundred twenty-seven million, one hundred fifty-nine thousand, two hundred nineteen".