454521734321 has 2 divisors, whose sum is σ = 454521734322. Its totient is φ = 454521734320.

The previous prime is 454521734309. The next prime is 454521734413. The reversal of 454521734321 is 123437125454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427349838400 + 27171895921 = 653720^2 + 164839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454521734321 is a prime.

It is not a weakly prime, because it can be changed into another prime (454521704321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227260867160 + 227260867161.

It is an arithmetic number, because the mean of its divisors is an integer number (227260867161).

Almost surely, 2^454521734321 is an apocalyptic number.

It is an amenable number.

454521734321 is a deficient number, since it is larger than the sum of its proper divisors (1).

454521734321 is an equidigital number, since it uses as much as digits as its factorization.

454521734321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

Adding to 454521734321 its reverse (123437125454), we get a palindrome (577958859775).

The spelling of 454521734321 in words is "four hundred fifty-four billion, five hundred twenty-one million, seven hundred thirty-four thousand, three hundred twenty-one".