69375687613 has 2 divisors, whose sum is σ = 69375687614. Its totient is φ = 69375687612.

The previous prime is 69375687559. The next prime is 69375687643. The reversal of 69375687613 is 31678657396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39864914244 + 29510773369 = 199662^2 + 171787^2 .

It is a cyclic number.

It is not a de Polignac number, because 69375687613 - 2¹⁷ = 69375556541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69375687643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34687843806 + 34687843807.

It is an arithmetic number, because the mean of its divisors is an integer number (34687843807).

Almost surely, 2^69375687613 is an apocalyptic number.

It is an amenable number.

69375687613 is a deficient number, since it is larger than the sum of its proper divisors (1).

69375687613 is an equidigital number, since it uses as much as digits as its factorization.

69375687613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 61.

The spelling of 69375687613 in words is "sixty-nine billion, three hundred seventy-five million, six hundred eighty-seven thousand, six hundred thirteen".