449972953 has 8 divisors (see below), whose sum is σ = 473853920. Its totient is φ = 426111840.

The previous prime is 449972951. The next prime is 449973001. The reversal of 449972953 is 359279944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449972953 - 2¹ = 449972951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449972953.

It is not an unprimeable number, because it can be changed into a prime (449972951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73573 + ... + 79453.

It is an arithmetic number, because the mean of its divisors is an integer number (59231740).

Almost surely, 2^449972953 is an apocalyptic number.

It is an amenable number.

449972953 is a deficient number, since it is larger than the sum of its proper divisors (23880967).

449972953 is a wasteful number, since it uses less digits than its factorization.

449972953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927.

The product of its digits is 2449440, while the sum is 52.

The square root of 449972953 is about 21212.5659221132. The cubic root of 449972953 is about 766.2940792184.

The spelling of 449972953 in words is "four hundred forty-nine million, nine hundred seventy-two thousand, nine hundred fifty-three".