1868704563 has 8 divisors (see below), whose sum is σ = 2718115776. Its totient is φ = 1132548200.

The previous prime is 1868704559. The next prime is 1868704637. The reversal of 1868704563 is 3654078681.

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

It is a cyclic number.

It is not a de Polignac number, because 1868704563 - 2² = 1868704559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1868704063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28313673 + ... + 28313738.

It is an arithmetic number, because the mean of its divisors is an integer number (339764472).

Almost surely, 2^1868704563 is an apocalyptic number.

1868704563 is a deficient number, since it is larger than the sum of its proper divisors (849411213).

1868704563 is a wasteful number, since it uses less digits than its factorization.

1868704563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56627425.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 1868704563 is about 43228.5156233706. The cubic root of 1868704563 is about 1231.7244112433.

The spelling of 1868704563 in words is "one billion, eight hundred sixty-eight million, seven hundred four thousand, five hundred sixty-three".