12850657069 has 2 divisors, whose sum is σ = 12850657070. Its totient is φ = 12850657068.

The previous prime is 12850657063. The next prime is 12850657111. The reversal of 12850657069 is 96075605821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12574931044 + 275726025 = 112138^2 + 16605^2 .

It is a cyclic number.

It is not a de Polignac number, because 12850657069 - 2⁹ = 12850656557 is a prime.

It is a super-2 number, since 2×12850657069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12850657063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425328534 + 6425328535.

It is an arithmetic number, because the mean of its divisors is an integer number (6425328535).

Almost surely, 2^12850657069 is an apocalyptic number.

It is an amenable number.

12850657069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12850657069 is an equidigital number, since it uses as much as digits as its factorization.

12850657069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 12850657069 in words is "twelve billion, eight hundred fifty million, six hundred fifty-seven thousand, sixty-nine".