52079647841869 has 2 divisors, whose sum is σ = 52079647841870. Its totient is φ = 52079647841868.

The previous prime is 52079647841863. The next prime is 52079647841887. The reversal of 52079647841869 is 96814874697025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46969502764900 + 5110145076969 = 6853430^2 + 2260563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52079647841869 is a prime.

It is a super-2 number, since 2×52079647841869² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52079647841795 and 52079647841804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52079647841863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039823920934 + 26039823920935.

It is an arithmetic number, because the mean of its divisors is an integer number (26039823920935).

Almost surely, 2^{52079647841869} is an apocalyptic number.

It is an amenable number.

52079647841869 is a deficient number, since it is larger than the sum of its proper divisors (1).

52079647841869 is an equidigital number, since it uses as much as digits as its factorization.

52079647841869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1463132160, while the sum is 76.

The spelling of 52079647841869 in words is "fifty-two trillion, seventy-nine billion, six hundred forty-seven million, eight hundred forty-one thousand, eight hundred sixty-nine".