368671221369 has 24 divisors (see below), whose sum is σ = 595105658784. Its totient is φ = 217987416000.

The previous prime is 368671221341. The next prime is 368671221383. The reversal of 368671221369 is 963122176863.

368671221369 is a `hidden beast` number, since 368 + 6 + 7 + 1 + 2 + 213 + 69 = 666.

It is not a de Polignac number, because 368671221369 - 2⁵ = 368671221337 is a prime.

It is a super-2 number, since 2×368671221369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (368671221389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45409987 + ... + 45418104.

It is an arithmetic number, because the mean of its divisors is an integer number (24796069116).

Almost surely, 2^368671221369 is an apocalyptic number.

It is an amenable number.

368671221369 is a deficient number, since it is larger than the sum of its proper divisors (226434437415).

368671221369 is a wasteful number, since it uses less digits than its factorization.

368671221369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90828149 (or 90828146 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 368671221369 in words is "three hundred sixty-eight billion, six hundred seventy-one million, two hundred twenty-one thousand, three hundred sixty-nine".