1046445019 has 4 divisors (see below), whose sum is σ = 1082529360. Its totient is φ = 1010360680.

The previous prime is 1046445011. The next prime is 1046445079. The reversal of 1046445019 is 9105446401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1046445019 - 2³ = 1046445011 is a prime.

It is a super-2 number, since 2×1046445019² = 2190094355579820722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046445011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18042127 + ... + 18042184.

It is an arithmetic number, because the mean of its divisors is an integer number (270632340).

Almost surely, 2^1046445019 is an apocalyptic number.

1046445019 is a deficient number, since it is larger than the sum of its proper divisors (36084341).

1046445019 is an equidigital number, since it uses as much as digits as its factorization.

1046445019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36084340.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1046445019 is about 32348.8024353298. The cubic root of 1046445019 is about 1015.2479900734.

The spelling of 1046445019 in words is "one billion, forty-six million, four hundred forty-five thousand, nineteen".