1363065778387 has 4 divisors (see below), whose sum is σ = 1363289641560. Its totient is φ = 1362841915216.

The previous prime is 1363065778367. The next prime is 1363065778433. The reversal of 1363065778387 is 7838775603631.

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

It is a cyclic number.

It is not a de Polignac number, because 1363065778387 - 2³¹ = 1360918294739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1363065778357) 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, 111922453 + ... + 111934630.

It is an arithmetic number, because the mean of its divisors is an integer number (340822410390).

Almost surely, 2^{1363065778387} is an apocalyptic number.

1363065778387 is a deficient number, since it is larger than the sum of its proper divisors (223863173).

1363065778387 is an equidigital number, since it uses as much as digits as its factorization.

1363065778387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223863172.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 1363065778387 in words is "one trillion, three hundred sixty-three billion, sixty-five million, seven hundred seventy-eight thousand, three hundred eighty-seven".