1868593464 has 48 divisors (see below), whose sum is σ = 5075343000. Its totient is φ = 621071424.

The previous prime is 1868593451. The next prime is 1868593469. The reversal of 1868593464 is 4643958681.

1868593464 is a `hidden beast` number, since 1 + 8 + 6 + 8 + 593 + 46 + 4 = 666.

1868593464 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1868593464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868593469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12054 + ... + 62309.

Almost surely, 2^1868593464 is an apocalyptic number.

It is an amenable number.

1868593464 is an abundant number, since it is smaller than the sum of its proper divisors (3206749536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1868593464 is a wasteful number, since it uses less digits than its factorization.

1868593464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74724 (or 74717 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 1868593464 is about 43227.2305844360. The cubic root of 1868593464 is about 1231.7000010957.

The spelling of 1868593464 in words is "one billion, eight hundred sixty-eight million, five hundred ninety-three thousand, four hundred sixty-four".