79852002181529 has 2 divisors, whose sum is σ = 79852002181530. Its totient is φ = 79852002181528.

The previous prime is 79852002181481. The next prime is 79852002181531. The reversal of 79852002181529 is 92518120025897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52519516291225 + 27332485890304 = 7247035^2 + 5228048^2 .

It is a cyclic number.

It is not a de Polignac number, because 79852002181529 - 2¹⁶ = 79852002115993 is a prime.

Together with 79852002181531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79852002180529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39926001090764 + 39926001090765.

It is an arithmetic number, because the mean of its divisors is an integer number (39926001090765).

Almost surely, 2^{79852002181529} is an apocalyptic number.

It is an amenable number.

79852002181529 is a deficient number, since it is larger than the sum of its proper divisors (1).

79852002181529 is an equidigital number, since it uses as much as digits as its factorization.

79852002181529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 59.

The spelling of 79852002181529 in words is "seventy-nine trillion, eight hundred fifty-two billion, two million, one hundred eighty-one thousand, five hundred twenty-nine".