441485645937997 has 2 divisors, whose sum is σ = 441485645937998. Its totient is φ = 441485645937996.

The previous prime is 441485645937983. The next prime is 441485645938037. The reversal of 441485645937997 is 799739546584144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413782887455716 + 27702758482281 = 20341654^2 + 5263341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441485645937997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441485645937097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220742822968998 + 220742822968999.

It is an arithmetic number, because the mean of its divisors is an integer number (220742822968999).

Almost surely, 2^{441485645937997} is an apocalyptic number.

It is an amenable number.

441485645937997 is a deficient number, since it is larger than the sum of its proper divisors (1).

441485645937997 is an equidigital number, since it uses as much as digits as its factorization.

441485645937997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32920473600, while the sum is 85.

The spelling of 441485645937997 in words is "four hundred forty-one trillion, four hundred eighty-five billion, six hundred forty-five million, nine hundred thirty-seven thousand, nine hundred ninety-seven".