636083028397 has 2 divisors, whose sum is σ = 636083028398. Its totient is φ = 636083028396.

The previous prime is 636083028367. The next prime is 636083028409. The reversal of 636083028397 is 793820380636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624559864681 + 11523163716 = 790291^2 + 107346^2 .

It is a cyclic number.

It is not a de Polignac number, because 636083028397 - 2²⁷ = 635948810669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (636083028367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318041514198 + 318041514199.

It is an arithmetic number, because the mean of its divisors is an integer number (318041514199).

Almost surely, 2^636083028397 is an apocalyptic number.

It is an amenable number.

636083028397 is a deficient number, since it is larger than the sum of its proper divisors (1).

636083028397 is an equidigital number, since it uses as much as digits as its factorization.

636083028397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 636083028397 in words is "six hundred thirty-six billion, eighty-three million, twenty-eight thousand, three hundred ninety-seven".