36668429797 has 2 divisors, whose sum is σ = 36668429798. Its totient is φ = 36668429796.

The previous prime is 36668429773. The next prime is 36668429839. The reversal of 36668429797 is 79792486663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29485697796 + 7182732001 = 171714^2 + 84751^2 .

It is a cyclic number.

It is not a de Polignac number, because 36668429797 - 2¹¹ = 36668427749 is a prime.

It is a super-2 number, since 2×36668429797² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36668429297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334214898 + 18334214899.

It is an arithmetic number, because the mean of its divisors is an integer number (18334214899).

Almost surely, 2^36668429797 is an apocalyptic number.

It is an amenable number.

36668429797 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668429797 is an equidigital number, since it uses as much as digits as its factorization.

36668429797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 67.

The spelling of 36668429797 in words is "thirty-six billion, six hundred sixty-eight million, four hundred twenty-nine thousand, seven hundred ninety-seven".