445890405427 has 2 divisors, whose sum is σ = 445890405428. Its totient is φ = 445890405426.

The previous prime is 445890405421. The next prime is 445890405439. The reversal of 445890405427 is 724504098544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445890405427 - 2²³ = 445882016819 is a prime.

It is not a weakly prime, because it can be changed into another prime (445890405421) 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, 222945202713 + 222945202714.

It is an arithmetic number, because the mean of its divisors is an integer number (222945202714).

Almost surely, 2^445890405427 is an apocalyptic number.

445890405427 is a deficient number, since it is larger than the sum of its proper divisors (1).

445890405427 is an equidigital number, since it uses as much as digits as its factorization.

445890405427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 445890405427 in words is "four hundred forty-five billion, eight hundred ninety million, four hundred five thousand, four hundred twenty-seven".