85837830131369 has 2 divisors, whose sum is σ = 85837830131370. Its totient is φ = 85837830131368.

The previous prime is 85837830131359. The next prime is 85837830131399. The reversal of 85837830131369 is 96313103873858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84273079321369 + 1564750810000 = 9180037^2 + 1250900^2 .

It is a cyclic number.

It is not a de Polignac number, because 85837830131369 - 2²⁰ = 85837829082793 is a prime.

It is a super-2 number, since 2×85837830131369² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85837830131329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42918915065684 + 42918915065685.

It is an arithmetic number, because the mean of its divisors is an integer number (42918915065685).

Almost surely, 2^{85837830131369} is an apocalyptic number.

It is an amenable number.

85837830131369 is a deficient number, since it is larger than the sum of its proper divisors (1).

85837830131369 is an equidigital number, since it uses as much as digits as its factorization.

85837830131369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 85837830131369 in words is "eighty-five trillion, eight hundred thirty-seven billion, eight hundred thirty million, one hundred thirty-one thousand, three hundred sixty-nine".