6669770563 has 4 divisors (see below), whose sum is σ = 6669956128. Its totient is φ = 6669585000.

The previous prime is 6669770539. The next prime is 6669770587. The reversal of 6669770563 is 3650779666.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6669770539) and next prime (6669770587).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6669770563 is a prime.

It is a super-2 number, since 2×6669770563² = 88971678726122673938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669773563) 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 3 ways as a sum of consecutive naturals, for example, 19656 + ... + 117157.

It is an arithmetic number, because the mean of its divisors is an integer number (1667489032).

Almost surely, 2^6669770563 is an apocalyptic number.

6669770563 is a deficient number, since it is larger than the sum of its proper divisors (185565).

6669770563 is a wasteful number, since it uses less digits than its factorization.

6669770563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185564.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The square root of 6669770563 is about 81668.6632864773. The cubic root of 6669770563 is about 1882.3641002712.

The spelling of 6669770563 in words is "six billion, six hundred sixty-nine million, seven hundred seventy thousand, five hundred sixty-three".