1864745968 has 20 divisors (see below), whose sum is σ = 3617329240. Its totient is φ = 931241664.

The previous prime is 1864745957. The next prime is 1864745983. The reversal of 1864745968 is 8695474681.

It is a congruent number.

It is an unprimeable number.

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, 57030 + ... + 83557.

It is an arithmetic number, because the mean of its divisors is an integer number (180866462).

Almost surely, 2^1864745968 is an apocalyptic number.

It is an amenable number.

1864745968 is a deficient number, since it is larger than the sum of its proper divisors (1752583272).

1864745968 is a wasteful number, since it uses less digits than its factorization.

1864745968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141424 (or 141418 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 58.

The square root of 1864745968 is about 43182.7045007605. The cubic root of 1864745968 is about 1230.8540498132.

The spelling of 1864745968 in words is "one billion, eight hundred sixty-four million, seven hundred forty-five thousand, nine hundred sixty-eight".