783283856129 has 2 divisors, whose sum is σ = 783283856130. Its totient is φ = 783283856128.

The previous prime is 783283856081. The next prime is 783283856137. The reversal of 783283856129 is 921658382387.

783283856129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 772600566529 + 10683289600 = 878977^2 + 103360^2 .

It is a cyclic number.

It is not a de Polignac number, because 783283856129 - 2²⁰ = 783282807553 is a prime.

It is a super-2 number, since 2×783283856129² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (783283856189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391641928064 + 391641928065.

It is an arithmetic number, because the mean of its divisors is an integer number (391641928065).

Almost surely, 2^783283856129 is an apocalyptic number.

It is an amenable number.

783283856129 is a deficient number, since it is larger than the sum of its proper divisors (1).

783283856129 is an equidigital number, since it uses as much as digits as its factorization.

783283856129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 783283856129 in words is "seven hundred eighty-three billion, two hundred eighty-three million, eight hundred fifty-six thousand, one hundred twenty-nine".