1819949996 has 6 divisors (see below), whose sum is σ = 3184912500. Its totient is φ = 909974996.

The previous prime is 1819949983. The next prime is 1819950031. The reversal of 1819949996 is 6999499181.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227493746 + ... + 227493753.

It is an arithmetic number, because the mean of its divisors is an integer number (530818750).

Almost surely, 2^1819949996 is an apocalyptic number.

It is an amenable number.

1819949996 is a deficient number, since it is larger than the sum of its proper divisors (1364962504).

1819949996 is a wasteful number, since it uses less digits than its factorization.

1819949996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454987503 (or 454987501 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 65.

The square root of 1819949996 is about 42660.8719554582. The cubic root of 1819949996 is about 1220.9179680801.

The spelling of 1819949996 in words is "one billion, eight hundred nineteen million, nine hundred forty-nine thousand, nine hundred ninety-six".