1601447219 has 2 divisors, whose sum is σ = 1601447220. Its totient is φ = 1601447218.

The previous prime is 1601447203. The next prime is 1601447233. The reversal of 1601447219 is 9127441061.

It is a strong prime.

It is an emirp because it is prime and its reverse (9127441061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1601447219 - 2⁴ = 1601447203 is a prime.

It is a super-2 number, since 2×1601447219² = 5129266390485667922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1601440219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800723609 + 800723610.

It is an arithmetic number, because the mean of its divisors is an integer number (800723610).

Almost surely, 2^1601447219 is an apocalyptic number.

1601447219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601447219 is an equidigital number, since it uses as much as digits as its factorization.

1601447219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1601447219 is about 40018.0861486403. The cubic root of 1601447219 is about 1169.9596301848.

The spelling of 1601447219 in words is "one billion, six hundred one million, four hundred forty-seven thousand, two hundred nineteen".