450723349 has 2 divisors, whose sum is σ = 450723350. Its totient is φ = 450723348.

The previous prime is 450723347. The next prime is 450723421. The reversal of 450723349 is 943327054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235162225 + 215561124 = 15335^2 + 14682^2 .

It is a cyclic number.

It is not a de Polignac number, because 450723349 - 2¹ = 450723347 is a prime.

Together with 450723347, it forms a pair of twin primes.

It is equal to p_23889232 and since 450723349 and 23889232 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450723347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225361674 + 225361675.

It is an arithmetic number, because the mean of its divisors is an integer number (225361675).

Almost surely, 2^450723349 is an apocalyptic number.

It is an amenable number.

450723349 is a deficient number, since it is larger than the sum of its proper divisors (1).

450723349 is an equidigital number, since it uses as much as digits as its factorization.

450723349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 450723349 is about 21230.2460890118. The cubic root of 450723349 is about 766.7198119639.

The spelling of 450723349 in words is "four hundred fifty million, seven hundred twenty-three thousand, three hundred forty-nine".