108444664547 has 2 divisors, whose sum is σ = 108444664548. Its totient is φ = 108444664546.

The previous prime is 108444664541. The next prime is 108444664621. The reversal of 108444664547 is 745466444801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108444664547 - 2¹⁸ = 108444402403 is a prime.

It is a super-2 number, since 2×108444664547² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108444664541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54222332273 + 54222332274.

It is an arithmetic number, because the mean of its divisors is an integer number (54222332274).

Almost surely, 2^108444664547 is an apocalyptic number.

108444664547 is a deficient number, since it is larger than the sum of its proper divisors (1).

108444664547 is an equidigital number, since it uses as much as digits as its factorization.

108444664547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 53.

The spelling of 108444664547 in words is "one hundred eight billion, four hundred forty-four million, six hundred sixty-four thousand, five hundred forty-seven".