445107810130409 has 2 divisors, whose sum is σ = 445107810130410. Its totient is φ = 445107810130408.

The previous prime is 445107810130397. The next prime is 445107810130463. The reversal of 445107810130409 is 904031018701544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357355355784025 + 87752454346384 = 18903845^2 + 9367628^2 .

It is a cyclic number.

It is not a de Polignac number, because 445107810130409 - 2³² = 445103515163113 is a prime.

It is not a weakly prime, because it can be changed into another prime (445107810130499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222553905065204 + 222553905065205.

It is an arithmetic number, because the mean of its divisors is an integer number (222553905065205).

Almost surely, 2^{445107810130409} is an apocalyptic number.

It is an amenable number.

445107810130409 is a deficient number, since it is larger than the sum of its proper divisors (1).

445107810130409 is an equidigital number, since it uses as much as digits as its factorization.

445107810130409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 445107810130409 in words is "four hundred forty-five trillion, one hundred seven billion, eight hundred ten million, one hundred thirty thousand, four hundred nine".