1368050623821 has 16 divisors (see below), whose sum is σ = 2316276188800. Its totient is φ = 781743213504.

The previous prime is 1368050623817. The next prime is 1368050623829. The reversal of 1368050623821 is 1283260508631.

1368050623821 is a `hidden beast` number, since 1 + 3 + 68 + 0 + 506 + 2 + 3 + 82 + 1 = 666.

It is not a de Polignac number, because 1368050623821 - 2² = 1368050623817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368050623829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3619181356 + ... + 3619181733.

It is an arithmetic number, because the mean of its divisors is an integer number (144767261800).

Almost surely, 2^{1368050623821} is an apocalyptic number.

It is an amenable number.

1368050623821 is a deficient number, since it is larger than the sum of its proper divisors (948225564979).

1368050623821 is an equidigital number, since it uses as much as digits as its factorization.

1368050623821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238363105 (or 7238363099 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1368050623821 in words is "one trillion, three hundred sixty-eight billion, fifty million, six hundred twenty-three thousand, eight hundred twenty-one".