453121021417 has 2 divisors, whose sum is σ = 453121021418. Its totient is φ = 453121021416.

The previous prime is 453121021411. The next prime is 453121021477. The reversal of 453121021417 is 714120121354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344534954841 + 108586066576 = 586971^2 + 329524^2 .

It is a cyclic number.

It is not a de Polignac number, because 453121021417 - 2²³ = 453112632809 is a prime.

It is not a weakly prime, because it can be changed into another prime (453121021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226560510708 + 226560510709.

It is an arithmetic number, because the mean of its divisors is an integer number (226560510709).

Almost surely, 2^453121021417 is an apocalyptic number.

It is an amenable number.

453121021417 is a deficient number, since it is larger than the sum of its proper divisors (1).

453121021417 is an equidigital number, since it uses as much as digits as its factorization.

453121021417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 453121021417 in words is "four hundred fifty-three billion, one hundred twenty-one million, twenty-one thousand, four hundred seventeen".