368478502669 has 2 divisors, whose sum is σ = 368478502670. Its totient is φ = 368478502668.

The previous prime is 368478502643. The next prime is 368478502727. The reversal of 368478502669 is 966205874863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223008728644 + 145469774025 = 472238^2 + 381405^2 .

It is a cyclic number.

It is not a de Polignac number, because 368478502669 - 2²⁵ = 368444948237 is a prime.

It is a super-2 number, since 2×368478502669² (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 368478502669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368478508669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184239251334 + 184239251335.

It is an arithmetic number, because the mean of its divisors is an integer number (184239251335).

Almost surely, 2^368478502669 is an apocalyptic number.

It is an amenable number.

368478502669 is a deficient number, since it is larger than the sum of its proper divisors (1).

368478502669 is an equidigital number, since it uses as much as digits as its factorization.

368478502669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 368478502669 in words is "three hundred sixty-eight billion, four hundred seventy-eight million, five hundred two thousand, six hundred sixty-nine".