1669742282 has 16 divisors (see below), whose sum is σ = 2699102112. Its totient is φ = 770128560.

The previous prime is 1669742273. The next prime is 1669742297. The reversal of 1669742282 is 2822479661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18833 + ... + 60779.

It is an arithmetic number, because the mean of its divisors is an integer number (168693882).

Almost surely, 2^1669742282 is an apocalyptic number.

1669742282 is a deficient number, since it is larger than the sum of its proper divisors (1029359830).

1669742282 is a wasteful number, since it uses less digits than its factorization.

1669742282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43493.

The product of its digits is 580608, while the sum is 47.

The square root of 1669742282 is about 40862.4801254158. The cubic root of 1669742282 is about 1186.3599623803.

The spelling of 1669742282 in words is "one billion, six hundred sixty-nine million, seven hundred forty-two thousand, two hundred eighty-two".