445344272939 has 2 divisors, whose sum is σ = 445344272940. Its totient is φ = 445344272938.

The previous prime is 445344272911. The next prime is 445344272941. The reversal of 445344272939 is 939272443544.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445344272939 - 2⁸ = 445344272683 is a prime.

Together with 445344272941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445344272909) 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 as a sum of consecutive naturals, namely, 222672136469 + 222672136470.

It is an arithmetic number, because the mean of its divisors is an integer number (222672136470).

Almost surely, 2^445344272939 is an apocalyptic number.

445344272939 is a deficient number, since it is larger than the sum of its proper divisors (1).

445344272939 is an equidigital number, since it uses as much as digits as its factorization.

445344272939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 56.

The spelling of 445344272939 in words is "four hundred forty-five billion, three hundred forty-four million, two hundred seventy-two thousand, nine hundred thirty-nine".