450347949 has 6 divisors (see below), whose sum is σ = 650502606. Its totient is φ = 300231960.

The previous prime is 450347897. The next prime is 450347951. The reversal of 450347949 is 949743054.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 424154025 + 26193924 = 20595^2 + 5118^2 .

It is not a de Polignac number, because 450347949 - 2¹² = 450343853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450345949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25019322 + ... + 25019339.

It is an arithmetic number, because the mean of its divisors is an integer number (108417101).

Almost surely, 2^450347949 is an apocalyptic number.

It is an amenable number.

450347949 is a deficient number, since it is larger than the sum of its proper divisors (200154657).

450347949 is a wasteful number, since it uses less digits than its factorization.

450347949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50038667 (or 50038664 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 450347949 is about 21221.4030874492. The cubic root of 450347949 is about 766.5068901026.

The spelling of 450347949 in words is "four hundred fifty million, three hundred forty-seven thousand, nine hundred forty-nine".