450739867 has 2 divisors, whose sum is σ = 450739868. Its totient is φ = 450739866.

The previous prime is 450739843. The next prime is 450739873. The reversal of 450739867 is 768937054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450739867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450739867.

It is not a weakly prime, because it can be changed into another prime (450739067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225369933 + 225369934.

It is an arithmetic number, because the mean of its divisors is an integer number (225369934).

Almost surely, 2^450739867 is an apocalyptic number.

450739867 is a deficient number, since it is larger than the sum of its proper divisors (1).

450739867 is an equidigital number, since it uses as much as digits as its factorization.

450739867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 450739867 is about 21230.6351059030. The cubic root of 450739867 is about 766.7291780367.

The spelling of 450739867 in words is "four hundred fifty million, seven hundred thirty-nine thousand, eight hundred sixty-seven".