1999366492 has 12 divisors (see below), whose sum is σ = 3524431680. Its totient is φ = 992386016.

The previous prime is 1999366489. The next prime is 1999366493. The reversal of 1999366492 is 2946639991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1999366493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823692 + ... + 1824787.

It is an arithmetic number, because the mean of its divisors is an integer number (293702640).

Almost surely, 2^1999366492 is an apocalyptic number.

It is an amenable number.

1999366492 is a deficient number, since it is larger than the sum of its proper divisors (1525065188).

1999366492 is a wasteful number, since it uses less digits than its factorization.

1999366492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648620 (or 3648618 counting only the distinct ones).

The product of its digits is 5668704, while the sum is 58.

The square root of 1999366492 is about 44714.2761542664. The cubic root of 1999366492 is about 1259.7880075026.

The spelling of 1999366492 in words is "one billion, nine hundred ninety-nine million, three hundred sixty-six thousand, four hundred ninety-two".