1868704663 has 8 divisors (see below), whose sum is σ = 2248065920. Its totient is φ = 1517444280.

The previous prime is 1868704657. The next prime is 1868704681. The reversal of 1868704663 is 3664078681.

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 1868704663 - 2²⁹ = 1331833751 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7025073 + ... + 7025338.

It is an arithmetic number, because the mean of its divisors is an integer number (281008240).

Almost surely, 2^1868704663 is an apocalyptic number.

1868704663 is a deficient number, since it is larger than the sum of its proper divisors (379361257).

1868704663 is a wasteful number, since it uses less digits than its factorization.

1868704663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14050437.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 1868704663 is about 43228.5167800146. The cubic root of 1868704663 is about 1231.7244332144.

The spelling of 1868704663 in words is "one billion, eight hundred sixty-eight million, seven hundred four thousand, six hundred sixty-three".