53710678369 has 2 divisors, whose sum is σ = 53710678370. Its totient is φ = 53710678368.

The previous prime is 53710678367. The next prime is 53710678421. The reversal of 53710678369 is 96387601735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30927794769 + 22782883600 = 175863^2 + 150940^2 .

It is a cyclic number.

It is not a de Polignac number, because 53710678369 - 2¹ = 53710678367 is a prime.

It is a super-2 number, since 2×53710678369² (a number of 22 digits) contains 22 as substring.

Together with 53710678367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53710678361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26855339184 + 26855339185.

It is an arithmetic number, because the mean of its divisors is an integer number (26855339185).

Almost surely, 2^53710678369 is an apocalyptic number.

It is an amenable number.

53710678369 is a deficient number, since it is larger than the sum of its proper divisors (1).

53710678369 is an equidigital number, since it uses as much as digits as its factorization.

53710678369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 53710678369 in words is "fifty-three billion, seven hundred ten million, six hundred seventy-eight thousand, three hundred sixty-nine".