36668429839 has 2 divisors, whose sum is σ = 36668429840. Its totient is φ = 36668429838.

The previous prime is 36668429797. The next prime is 36668429867. The reversal of 36668429839 is 93892486663.

36668429839 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 is a cyclic number.

It is not a de Polignac number, because 36668429839 - 2¹⁹ = 36667905551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36668429899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334214919 + 18334214920.

It is an arithmetic number, because the mean of its divisors is an integer number (18334214920).

Almost surely, 2^36668429839 is an apocalyptic number.

36668429839 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668429839 is an equidigital number, since it uses as much as digits as its factorization.

36668429839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80621568, while the sum is 64.

The spelling of 36668429839 in words is "thirty-six billion, six hundred sixty-eight million, four hundred twenty-nine thousand, eight hundred thirty-nine".