1864282473486 has 80 divisors (see below), whose sum is σ = 4460822087040. Its totient is φ = 580644106560.

The previous prime is 1864282473451. The next prime is 1864282473499. The reversal of 1864282473486 is 6843742824681.

It is a happy number.

1864282473486 is a `hidden beast` number, since 1 + 8 + 6 + 4 + 2 + 82 + 4 + 73 + 486 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6254761 + ... + 6546036.

It is an arithmetic number, because the mean of its divisors is an integer number (55760276088).

Almost surely, 2^{1864282473486} is an apocalyptic number.

1864282473486 is an abundant number, since it is smaller than the sum of its proper divisors (2596539613554).

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

1864282473486 is a wasteful number, since it uses less digits than its factorization.

1864282473486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12800871 (or 12800862 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 63.

The spelling of 1864282473486 in words is "one trillion, eight hundred sixty-four billion, two hundred eighty-two million, four hundred seventy-three thousand, four hundred eighty-six".