1994712562 has 8 divisors (see below), whose sum is σ = 3003990192. Its totient is φ = 993382500.

The previous prime is 1994712521. The next prime is 1994712563. The reversal of 1994712562 is 2652174991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1994712563) 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, 1986264 + ... + 1987267.

It is an arithmetic number, because the mean of its divisors is an integer number (375498774).

Almost surely, 2^1994712562 is an apocalyptic number.

1994712562 is a deficient number, since it is larger than the sum of its proper divisors (1009277630).

1994712562 is a wasteful number, since it uses less digits than its factorization.

1994712562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973784.

The product of its digits is 272160, while the sum is 46.

The square root of 1994712562 is about 44662.2050731936. The cubic root of 1994712562 is about 1258.8097776155.

The spelling of 1994712562 in words is "one billion, nine hundred ninety-four million, seven hundred twelve thousand, five hundred sixty-two".