445432218739 has 2 divisors, whose sum is σ = 445432218740. Its totient is φ = 445432218738.

The previous prime is 445432218709. The next prime is 445432218773. The reversal of 445432218739 is 937812234544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445432218739 - 2¹⁵ = 445432185971 is a prime.

It is a super-2 number, since 2×445432218739² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445432218709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222716109369 + 222716109370.

It is an arithmetic number, because the mean of its divisors is an integer number (222716109370).

Almost surely, 2^445432218739 is an apocalyptic number.

445432218739 is a deficient number, since it is larger than the sum of its proper divisors (1).

445432218739 is an equidigital number, since it uses as much as digits as its factorization.

445432218739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 52.

The spelling of 445432218739 in words is "four hundred forty-five billion, four hundred thirty-two million, two hundred eighteen thousand, seven hundred thirty-nine".