18812913314953 has 4 divisors (see below), whose sum is σ = 18862551609040. Its totient is φ = 18763275020868.

The previous prime is 18812913314879. The next prime is 18812913314957. The reversal of 18812913314953 is 35941331921881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18812913314953 - 2²⁹ = 18812376444041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18812913314957) 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, 24819146475 + ... + 24819147232.

It is an arithmetic number, because the mean of its divisors is an integer number (4715637902260).

Almost surely, 2^{18812913314953} is an apocalyptic number.

It is an amenable number.

18812913314953 is a deficient number, since it is larger than the sum of its proper divisors (49638294087).

18812913314953 is an equidigital number, since it uses as much as digits as its factorization.

18812913314953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49638294086.

The product of its digits is 5598720, while the sum is 58.

The spelling of 18812913314953 in words is "eighteen trillion, eight hundred twelve billion, nine hundred thirteen million, three hundred fourteen thousand, nine hundred fifty-three".