1819214995 has 16 divisors (see below), whose sum is σ = 2352746592. Its totient is φ = 1342414080.

The previous prime is 1819214981. The next prime is 1819215019. The reversal of 1819214995 is 5994129181.

It is not a de Polignac number, because 1819214995 - 2⁷ = 1819214867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83380 + ... + 102910.

It is an arithmetic number, because the mean of its divisors is an integer number (147046662).

Almost surely, 2^1819214995 is an apocalyptic number.

1819214995 is a deficient number, since it is larger than the sum of its proper divisors (533531597).

1819214995 is a wasteful number, since it uses less digits than its factorization.

1819214995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20982.

The product of its digits is 233280, while the sum is 49.

The square root of 1819214995 is about 42652.2566225985. The cubic root of 1819214995 is about 1220.7535868680.

The spelling of 1819214995 in words is "one billion, eight hundred nineteen million, two hundred fourteen thousand, nine hundred ninety-five".