1213162641793 has 4 divisors (see below), whose sum is σ = 1227779059248. Its totient is φ = 1198546224340.

The previous prime is 1213162641787. The next prime is 1213162641811. The reversal of 1213162641793 is 3971462613121.

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 a de Polignac number, because none of the positive numbers 2^k-1213162641793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213162641703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7308208603 + ... + 7308208768.

It is an arithmetic number, because the mean of its divisors is an integer number (306944764812).

Almost surely, 2^{1213162641793} is an apocalyptic number.

It is an amenable number.

1213162641793 is a deficient number, since it is larger than the sum of its proper divisors (14616417455).

1213162641793 is an equidigital number, since it uses as much as digits as its factorization.

1213162641793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14616417454.

The product of its digits is 326592, while the sum is 46.

The spelling of 1213162641793 in words is "one trillion, two hundred thirteen billion, one hundred sixty-two million, six hundred forty-one thousand, seven hundred ninety-three".