18862294463 has 4 divisors (see below), whose sum is σ = 19512718440. Its totient is φ = 18211870488.

The previous prime is 18862294421. The next prime is 18862294481. The reversal of 18862294463 is 36449226881.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18862294463 - 2²⁸ = 18593859007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18862224463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325211945 + ... + 325212002.

It is an arithmetic number, because the mean of its divisors is an integer number (4878179610).

Almost surely, 2^18862294463 is an apocalyptic number.

18862294463 is a deficient number, since it is larger than the sum of its proper divisors (650423977).

18862294463 is an equidigital number, since it uses as much as digits as its factorization.

18862294463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650423976.

The product of its digits is 3981312, while the sum is 53.

The spelling of 18862294463 in words is "eighteen billion, eight hundred sixty-two million, two hundred ninety-four thousand, four hundred sixty-three".