450171925459 has 2 divisors, whose sum is σ = 450171925460. Its totient is φ = 450171925458.

The previous prime is 450171925457. The next prime is 450171925481. The reversal of 450171925459 is 954529171054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450171925459 - 2¹ = 450171925457 is a prime.

Together with 450171925457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (450171925457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225085962729 + 225085962730.

It is an arithmetic number, because the mean of its divisors is an integer number (225085962730).

Almost surely, 2^450171925459 is an apocalyptic number.

450171925459 is a deficient number, since it is larger than the sum of its proper divisors (1).

450171925459 is an equidigital number, since it uses as much as digits as its factorization.

450171925459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 450171925459 in words is "four hundred fifty billion, one hundred seventy-one million, nine hundred twenty-five thousand, four hundred fifty-nine".