445384739 has 2 divisors, whose sum is σ = 445384740. Its totient is φ = 445384738.

The previous prime is 445384661. The next prime is 445384759. The reversal of 445384739 is 937483544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445384739 - 2⁸ = 445384483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445384693 and 445384702.

It is not a weakly prime, because it can be changed into another prime (445384759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222692369 + 222692370.

It is an arithmetic number, because the mean of its divisors is an integer number (222692370).

Almost surely, 2^445384739 is an apocalyptic number.

445384739 is a deficient number, since it is larger than the sum of its proper divisors (1).

445384739 is an equidigital number, since it uses as much as digits as its factorization.

445384739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The square root of 445384739 is about 21104.1403283811. The cubic root of 445384739 is about 763.6806335605.

The spelling of 445384739 in words is "four hundred forty-five million, three hundred eighty-four thousand, seven hundred thirty-nine".