1213436246663 has 8 divisors (see below), whose sum is σ = 1266675301728. Its totient is φ = 1160237271424.

The previous prime is 1213436246653. The next prime is 1213436246669. The reversal of 1213436246663 is 3666426343121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213436246663 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 (1213436246669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9958070 + ... + 10079187.

It is an arithmetic number, because the mean of its divisors is an integer number (158334412716).

Almost surely, 2^{1213436246663} is an apocalyptic number.

1213436246663 is a deficient number, since it is larger than the sum of its proper divisors (53239055065).

1213436246663 is a wasteful number, since it uses less digits than its factorization.

1213436246663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20039913.

The product of its digits is 2239488, while the sum is 47.

The spelling of 1213436246663 in words is "one trillion, two hundred thirteen billion, four hundred thirty-six million, two hundred forty-six thousand, six hundred sixty-three".