450683068553 has 2 divisors, whose sum is σ = 450683068554. Its totient is φ = 450683068552.

The previous prime is 450683068487. The next prime is 450683068579. The reversal of 450683068553 is 355860386054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424409252089 + 26273816464 = 651467^2 + 162092^2 .

It is a cyclic number.

It is not a de Polignac number, because 450683068553 - 2¹⁰ = 450683067529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450683068495 and 450683068504.

It is not a weakly prime, because it can be changed into another prime (450683568553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225341534276 + 225341534277.

It is an arithmetic number, because the mean of its divisors is an integer number (225341534277).

Almost surely, 2^450683068553 is an apocalyptic number.

It is an amenable number.

450683068553 is a deficient number, since it is larger than the sum of its proper divisors (1).

450683068553 is an equidigital number, since it uses as much as digits as its factorization.

450683068553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 450683068553 in words is "four hundred fifty billion, six hundred eighty-three million, sixty-eight thousand, five hundred fifty-three".