445098336689 has 2 divisors, whose sum is σ = 445098336690. Its totient is φ = 445098336688.

The previous prime is 445098336659. The next prime is 445098336701. The reversal of 445098336689 is 986633890544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382789690000 + 62308646689 = 618700^2 + 249617^2 .

It is a cyclic number.

It is not a de Polignac number, because 445098336689 - 2⁸ = 445098336433 is a prime.

It is a super-2 number, since 2×445098336689² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445098336659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222549168344 + 222549168345.

It is an arithmetic number, because the mean of its divisors is an integer number (222549168345).

Almost surely, 2^445098336689 is an apocalyptic number.

It is an amenable number.

445098336689 is a deficient number, since it is larger than the sum of its proper divisors (1).

445098336689 is an equidigital number, since it uses as much as digits as its factorization.

445098336689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 445098336689 in words is "four hundred forty-five billion, ninety-eight million, three hundred thirty-six thousand, six hundred eighty-nine".