449913947 has 8 divisors (see below), whose sum is σ = 514619616. Its totient is φ = 385316352.

The previous prime is 449913931. The next prime is 449913953. The reversal of 449913947 is 749319944.

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 449913947 - 2⁴ = 449913931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449913895 and 449913904.

It is not an unprimeable number, because it can be changed into a prime (449613947) 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, 17888 + ... + 34925.

It is an arithmetic number, because the mean of its divisors is an integer number (64327452).

Almost surely, 2^449913947 is an apocalyptic number.

449913947 is a deficient number, since it is larger than the sum of its proper divisors (64705669).

449913947 is a wasteful number, since it uses less digits than its factorization.

449913947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54037.

The product of its digits is 979776, while the sum is 50.

The square root of 449913947 is about 21211.1750499589. The cubic root of 449913947 is about 766.2605824458.

The spelling of 449913947 in words is "four hundred forty-nine million, nine hundred thirteen thousand, nine hundred forty-seven".