1049819194 has 4 divisors (see below), whose sum is σ = 1574728794. Its totient is φ = 524909596.

The previous prime is 1049819171. The next prime is 1049819201. The reversal of 1049819194 is 4919189401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4919189401 = 7 ⋅702741343.

It can be written as a sum of positive squares in only one way, i.e., 1039224169 + 10595025 = 32237^2 + 3255^2 .

It is a super-2 number, since 2×1049819194² = 2204240680181619272, which contains 22 as substring.

It is an unprimeable number.

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, 262454797 + ... + 262454800.

Almost surely, 2^1049819194 is an apocalyptic number.

1049819194 is a deficient number, since it is larger than the sum of its proper divisors (524909600).

1049819194 is an equidigital number, since it uses as much as digits as its factorization.

1049819194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524909599.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 1049819194 is about 32400.9134747772. The cubic root of 1049819194 is about 1016.3380136057.

It can be divided in two parts, 10498 and 19194, that added together give a palindrome (29692).

The spelling of 1049819194 in words is "one billion, forty-nine million, eight hundred nineteen thousand, one hundred ninety-four".