1048641619 has 4 divisors (see below), whose sum is σ = 1082468800. Its totient is φ = 1014814440.

The previous prime is 1048641613. The next prime is 1048641637. The reversal of 1048641619 is 9161468401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9161468401 = 4177 ⋅2193313.

It is a cyclic number.

It is not a de Polignac number, because 1048641619 - 2³ = 1048641611 is a prime.

It is a super-2 number, since 2×1048641619² = 2199298490197882322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048641611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16913544 + ... + 16913605.

It is an arithmetic number, because the mean of its divisors is an integer number (270617200).

Almost surely, 2^1048641619 is an apocalyptic number.

1048641619 is a deficient number, since it is larger than the sum of its proper divisors (33827181).

1048641619 is an equidigital number, since it uses as much as digits as its factorization.

1048641619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33827180.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1048641619 is about 32382.7364347116. The cubic root of 1048641619 is about 1015.9578649704.

The spelling of 1048641619 in words is "one billion, forty-eight million, six hundred forty-one thousand, six hundred nineteen".