1863322564 has 6 divisors (see below), whose sum is σ = 3260814494. Its totient is φ = 931661280.

The previous prime is 1863322561. The next prime is 1863322577. The reversal of 1863322564 is 4652233681.

It can be written as a sum of positive squares in only one way, i.e., 1253726464 + 609596100 = 35408^2 + 24690^2 .

It is not an unprimeable number, because it can be changed into a prime (1863322561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232915317 + ... + 232915324.

Almost surely, 2^1863322564 is an apocalyptic number.

It is an amenable number.

1863322564 is a deficient number, since it is larger than the sum of its proper divisors (1397491930).

1863322564 is a wasteful number, since it uses less digits than its factorization.

1863322564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465830645 (or 465830643 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 1863322564 is about 43166.2201727230. The cubic root of 1863322564 is about 1230.5407902453.

The spelling of 1863322564 in words is "one billion, eight hundred sixty-three million, three hundred twenty-two thousand, five hundred sixty-four".