13334778903679 has 2 divisors, whose sum is σ = 13334778903680. Its totient is φ = 13334778903678.

The previous prime is 13334778903671. The next prime is 13334778903701. The reversal of 13334778903679 is 97630987743331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13334778903679 - 2³ = 13334778903671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13334778903671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6667389451839 + 6667389451840.

It is an arithmetic number, because the mean of its divisors is an integer number (6667389451840).

Almost surely, 2^{13334778903679} is an apocalyptic number.

13334778903679 is a deficient number, since it is larger than the sum of its proper divisors (1).

13334778903679 is an equidigital number, since it uses as much as digits as its factorization.

13334778903679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432081216, while the sum is 70.

The spelling of 13334778903679 in words is "thirteen trillion, three hundred thirty-four billion, seven hundred seventy-eight million, nine hundred three thousand, six hundred seventy-nine".