450665605563031 has 2 divisors, whose sum is σ = 450665605563032. Its totient is φ = 450665605563030.

The previous prime is 450665605563029. The next prime is 450665605563137. The reversal of 450665605563031 is 130365506566054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450665605563031 - 2¹ = 450665605563029 is a prime.

It is a super-2 number, since 2×450665605563031² (a number of 30 digits) contains 22 as substring.

Together with 450665605563029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450665605563431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225332802781515 + 225332802781516.

It is an arithmetic number, because the mean of its divisors is an integer number (225332802781516).

Almost surely, 2^{450665605563031} is an apocalyptic number.

450665605563031 is a deficient number, since it is larger than the sum of its proper divisors (1).

450665605563031 is an equidigital number, since it uses as much as digits as its factorization.

450665605563031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160000, while the sum is 55.

The spelling of 450665605563031 in words is "four hundred fifty trillion, six hundred sixty-five billion, six hundred five million, five hundred sixty-three thousand, thirty-one".