18764667982241 has 8 divisors (see below), whose sum is σ = 19430553585600. Its totient is φ = 18100037584720.

The previous prime is 18764667982223. The next prime is 18764667982261. The reversal of 18764667982241 is 14228976646781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18764667982241 - 2³⁸ = 18489790075297 is a prime.

It is a super-2 number, since 2×18764667982241² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18764667982261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313771031 + ... + 313830828.

It is an arithmetic number, because the mean of its divisors is an integer number (2428819198200).

Almost surely, 2^{18764667982241} is an apocalyptic number.

It is an amenable number.

18764667982241 is a deficient number, since it is larger than the sum of its proper divisors (665885603359).

18764667982241 is a wasteful number, since it uses less digits than its factorization.

18764667982241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627602919.

The product of its digits is 390168576, while the sum is 71.

The spelling of 18764667982241 in words is "eighteen trillion, seven hundred sixty-four billion, six hundred sixty-seven million, nine hundred eighty-two thousand, two hundred forty-one".