363647689992 has 24 divisors (see below), whose sum is σ = 984879160590. Its totient is φ = 121215896640.

The previous prime is 363647689981. The next prime is 363647689997. The reversal of 363647689992 is 299986746363.

363647689992 is a `hidden beast` number, since 3 + 63 + 6 + 476 + 8 + 9 + 9 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 249494256036 + 114153433956 = 499494^2 + 337866^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 5050662361 = 363647689992 / (3 + 6 + 3 + 6 + 4 + 7 + 6 + 8 + 9 + 9 + 9 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 363647689992.

It is not an unprimeable number, because it can be changed into a prime (363647689997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2525331109 + ... + 2525331252.

Almost surely, 2^363647689992 is an apocalyptic number.

It is an amenable number.

363647689992 is an abundant number, since it is smaller than the sum of its proper divisors (621231470598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

363647689992 is a wasteful number, since it uses less digits than its factorization.

363647689992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050662373 (or 5050662366 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 72.

The spelling of 363647689992 in words is "three hundred sixty-three billion, six hundred forty-seven million, six hundred eighty-nine thousand, nine hundred ninety-two".