1214596819813 has 4 divisors (see below), whose sum is σ = 1308027344428. Its totient is φ = 1121166295200.

The previous prime is 1214596819693. The next prime is 1214596819817. The reversal of 1214596819813 is 3189186954121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 147162769924 + 1067434049889 = 383618^2 + 1033167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214596819813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214596819817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46715262288 + ... + 46715262313.

It is an arithmetic number, because the mean of its divisors is an integer number (327006836107).

Almost surely, 2^{1214596819813} is an apocalyptic number.

1214596819813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1214596819813 is a deficient number, since it is larger than the sum of its proper divisors (93430524615).

1214596819813 is an equidigital number, since it uses as much as digits as its factorization.

1214596819813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93430524614.

The product of its digits is 3732480, while the sum is 58.

The spelling of 1214596819813 in words is "one trillion, two hundred fourteen billion, five hundred ninety-six million, eight hundred nineteen thousand, eight hundred thirteen".