445630695997 has 2 divisors, whose sum is σ = 445630695998. Its totient is φ = 445630695996.

The previous prime is 445630695989. The next prime is 445630696061. The reversal of 445630695997 is 799596036544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396993245476 + 48637450521 = 630074^2 + 220539^2 .

It is a cyclic number.

It is not a de Polignac number, because 445630695997 - 2³ = 445630695989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445630695977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222815347998 + 222815347999.

It is an arithmetic number, because the mean of its divisors is an integer number (222815347999).

Almost surely, 2^445630695997 is an apocalyptic number.

It is an amenable number.

445630695997 is a deficient number, since it is larger than the sum of its proper divisors (1).

445630695997 is an equidigital number, since it uses as much as digits as its factorization.

445630695997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220449600, while the sum is 67.

The spelling of 445630695997 in words is "four hundred forty-five billion, six hundred thirty million, six hundred ninety-five thousand, nine hundred ninety-seven".