1823669564 has 24 divisors (see below), whose sum is σ = 3213231840. Its totient is φ = 905624064.

The previous prime is 1823669539. The next prime is 1823669569. The reversal of 1823669564 is 4659663281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823669569) 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 7 ways as a sum of consecutive naturals, for example, 401297 + ... + 405815.

It is an arithmetic number, because the mean of its divisors is an integer number (133884660).

Almost surely, 2^1823669564 is an apocalyptic number.

It is an amenable number.

1823669564 is a deficient number, since it is larger than the sum of its proper divisors (1389562276).

1823669564 is a wasteful number, since it uses less digits than its factorization.

1823669564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189 (or 5187 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 1823669564 is about 42704.4443120385. Note that the first 3 decimals coincide. The cubic root of 1823669564 is about 1221.7491625512.

The spelling of 1823669564 in words is "one billion, eight hundred twenty-three million, six hundred sixty-nine thousand, five hundred sixty-four".