13568001346779 has 64 divisors (see below), whose sum is σ = 20881829928960. Its totient is φ = 7749875992320.

The previous prime is 13568001346733. The next prime is 13568001346787. The reversal of 13568001346779 is 97764310086531.

It is a happy number.

It is not a de Polignac number, because 13568001346779 - 2¹⁶ = 13568001281243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13568001346799) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119826439 + ... + 119939615.

It is an arithmetic number, because the mean of its divisors is an integer number (326278592640).

Almost surely, 2^{13568001346779} is an apocalyptic number.

13568001346779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13568001346779 is a deficient number, since it is larger than the sum of its proper divisors (7313828582181).

13568001346779 is a wasteful number, since it uses less digits than its factorization.

13568001346779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114200.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 13568001346779 in words is "thirteen trillion, five hundred sixty-eight billion, one million, three hundred forty-six thousand, seven hundred seventy-nine".