18249607072967 has 4 divisors (see below), whose sum is σ = 18249877460976. Its totient is φ = 18249336684960.

The previous prime is 18249607072843. The next prime is 18249607072979. The reversal of 18249607072967 is 76927070694281.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18249607072967 - 2¹⁶ = 18249607007431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18249607072897 and 18249607072906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18249607072997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135092738 + ... + 135227759.

It is an arithmetic number, because the mean of its divisors is an integer number (4562469365244).

Almost surely, 2^{18249607072967} is an apocalyptic number.

18249607072967 is a deficient number, since it is larger than the sum of its proper divisors (270388009).

18249607072967 is an equidigital number, since it uses as much as digits as its factorization.

18249607072967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270388008.

The product of its (nonzero) digits is 128024064, while the sum is 68.

The spelling of 18249607072967 in words is "eighteen trillion, two hundred forty-nine billion, six hundred seven million, seventy-two thousand, nine hundred sixty-seven".