1045419819 has 8 divisors (see below), whose sum is σ = 1401116112. Its totient is φ = 693335040.

The previous prime is 1045419799. The next prime is 1045419857. The reversal of 1045419819 is 9189145401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045419819 - 2²⁰ = 1044371243 is a prime.

It is a super-2 number, since 2×1045419819² = 2185805195915985522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1045419119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902202 + ... + 903359.

It is an arithmetic number, because the mean of its divisors is an integer number (175139514).

Almost surely, 2^1045419819 is an apocalyptic number.

1045419819 is a deficient number, since it is larger than the sum of its proper divisors (355696293).

1045419819 is a wasteful number, since it uses less digits than its factorization.

1045419819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805757.

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 1045419819 is about 32332.9525252489. The cubic root of 1045419819 is about 1014.9163362977.

The spelling of 1045419819 in words is "one billion, forty-five million, four hundred nineteen thousand, eight hundred nineteen".