13378676770357 has 2 divisors, whose sum is σ = 13378676770358. Its totient is φ = 13378676770356.

The previous prime is 13378676770321. The next prime is 13378676770471. The reversal of 13378676770357 is 75307767687331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10613742999876 + 2764933770481 = 3257874^2 + 1662809^2 .

It is a cyclic number.

It is not a de Polignac number, because 13378676770357 - 2⁷ = 13378676770229 is a prime.

It is a super-2 number, since 2×13378676770357² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13378676776357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6689338385178 + 6689338385179.

It is an arithmetic number, because the mean of its divisors is an integer number (6689338385179).

Almost surely, 2^{13378676770357} is an apocalyptic number.

It is an amenable number.

13378676770357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13378676770357 is an equidigital number, since it uses as much as digits as its factorization.

13378676770357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653456160, while the sum is 70.

The spelling of 13378676770357 in words is "thirteen trillion, three hundred seventy-eight billion, six hundred seventy-six million, seven hundred seventy thousand, three hundred fifty-seven".