445441475187937 has 2 divisors, whose sum is σ = 445441475187938. Its totient is φ = 445441475187936.

The previous prime is 445441475187893. The next prime is 445441475188009. The reversal of 445441475187937 is 739781574144544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330462370533376 + 114979104654561 = 18178624^2 + 10722831^2 .

It is a cyclic number.

It is not a de Polignac number, because 445441475187937 - 2⁷ = 445441475187809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445441475187937.

It is not a weakly prime, because it can be changed into another prime (445441475187437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222720737593968 + 222720737593969.

It is an arithmetic number, because the mean of its divisors is an integer number (222720737593969).

Almost surely, 2^{445441475187937} is an apocalyptic number.

It is an amenable number.

445441475187937 is a deficient number, since it is larger than the sum of its proper divisors (1).

445441475187937 is an equidigital number, since it uses as much as digits as its factorization.

445441475187937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1896652800, while the sum is 73.

The spelling of 445441475187937 in words is "four hundred forty-five trillion, four hundred forty-one billion, four hundred seventy-five million, one hundred eighty-seven thousand, nine hundred thirty-seven".