450641641 has 2 divisors, whose sum is σ = 450641642. Its totient is φ = 450641640.

The previous prime is 450641617. The next prime is 450641647. The reversal of 450641641 is 146146054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242705241 + 207936400 = 15579^2 + 14420^2 .

It is a cyclic number.

It is not a de Polignac number, because 450641641 - 2²¹ = 448544489 is a prime.

It is not a weakly prime, because it can be changed into another prime (450641647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225320820 + 225320821.

It is an arithmetic number, because the mean of its divisors is an integer number (225320821).

Almost surely, 2^450641641 is an apocalyptic number.

It is an amenable number.

450641641 is a deficient number, since it is larger than the sum of its proper divisors (1).

450641641 is an equidigital number, since it uses as much as digits as its factorization.

450641641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 450641641 is about 21228.3216717667. The cubic root of 450641641 is about 766.6734783474.

Adding to 450641641 its reverse (146146054), we get a palindrome (596787695).

The spelling of 450641641 in words is "four hundred fifty million, six hundred forty-one thousand, six hundred forty-one".