825983656039 has 2 divisors, whose sum is σ = 825983656040. Its totient is φ = 825983656038.

The previous prime is 825983656021. The next prime is 825983656051. The reversal of 825983656039 is 930656389528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825983656039 - 2¹³ = 825983647847 is a prime.

It is a super-2 number, since 2×825983656039² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825983656339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412991828019 + 412991828020.

It is an arithmetic number, because the mean of its divisors is an integer number (412991828020).

Almost surely, 2^825983656039 is an apocalyptic number.

825983656039 is a deficient number, since it is larger than the sum of its proper divisors (1).

825983656039 is an equidigital number, since it uses as much as digits as its factorization.

825983656039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83980800, while the sum is 64.

The spelling of 825983656039 in words is "eight hundred twenty-five billion, nine hundred eighty-three million, six hundred fifty-six thousand, thirty-nine".