1819464068 has 12 divisors (see below), whose sum is σ = 3184869072. Its totient is φ = 909501480.

The previous prime is 1819464067. The next prime is 1819464077. The reversal of 1819464068 is 8604649181.

It is not an unprimeable number, because it can be changed into a prime (1819464067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39230 + ... + 71957.

It is an arithmetic number, because the mean of its divisors is an integer number (265405756).

Almost surely, 2^1819464068 is an apocalyptic number.

It is an amenable number.

1819464068 is a deficient number, since it is larger than the sum of its proper divisors (1365405004).

1819464068 is a wasteful number, since it uses less digits than its factorization.

1819464068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115282 (or 115280 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1819464068 is about 42655.1763330079. The cubic root of 1819464068 is about 1220.8092964064.

The spelling of 1819464068 in words is "one billion, eight hundred nineteen million, four hundred sixty-four thousand, sixty-eight".