445507969019 has 2 divisors, whose sum is σ = 445507969020. Its totient is φ = 445507969018.

The previous prime is 445507968973. The next prime is 445507969037. The reversal of 445507969019 is 910969705544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445507969019 is a prime.

It is a super-2 number, since 2×445507969019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445507909019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222753984509 + 222753984510.

It is an arithmetic number, because the mean of its divisors is an integer number (222753984510).

Almost surely, 2^445507969019 is an apocalyptic number.

445507969019 is a deficient number, since it is larger than the sum of its proper divisors (1).

445507969019 is an equidigital number, since it uses as much as digits as its factorization.

445507969019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 445507969019 in words is "four hundred forty-five billion, five hundred seven million, nine hundred sixty-nine thousand, nineteen".