1864812307814 has 4 divisors (see below), whose sum is σ = 2797218461724. Its totient is φ = 932406153906.

The previous prime is 1864812307759. The next prime is 1864812307817. The reversal of 1864812307814 is 4187032184681.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864812307817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 466203076952 + ... + 466203076955.

It is an arithmetic number, because the mean of its divisors is an integer number (699304615431).

Almost surely, 2^{1864812307814} is an apocalyptic number.

1864812307814 is a deficient number, since it is larger than the sum of its proper divisors (932406153910).

1864812307814 is an equidigital number, since it uses as much as digits as its factorization.

1864812307814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932406153909.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 1864812307814 in words is "one trillion, eight hundred sixty-four billion, eight hundred twelve million, three hundred seven thousand, eight hundred fourteen".