366403564729 has 2 divisors, whose sum is σ = 366403564730. Its totient is φ = 366403564728.

The previous prime is 366403564661. The next prime is 366403564741. The reversal of 366403564729 is 927465304663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361128883600 + 5274681129 = 600940^2 + 72627^2 .

It is a cyclic number.

It is not a de Polignac number, because 366403564729 - 2⁷ = 366403564601 is a prime.

It is a super-2 number, since 2×366403564729² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 366403564729.

It is not a weakly prime, because it can be changed into another prime (366403564759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183201782364 + 183201782365.

It is an arithmetic number, because the mean of its divisors is an integer number (183201782365).

Almost surely, 2^366403564729 is an apocalyptic number.

It is an amenable number.

366403564729 is a deficient number, since it is larger than the sum of its proper divisors (1).

366403564729 is an equidigital number, since it uses as much as digits as its factorization.

366403564729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 366403564729 in words is "three hundred sixty-six billion, four hundred three million, five hundred sixty-four thousand, seven hundred twenty-nine".