449011971 has 16 divisors (see below), whose sum is σ = 700214400. Its totient is φ = 283586184.

The previous prime is 449011961. The next prime is 449011987. The reversal of 449011971 is 179110944.

It is not a de Polignac number, because 449011971 - 2¹¹ = 449009923 is a prime.

It is a super-2 number, since 2×449011971² = 403223500202609682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449011931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437121 + ... + 438146.

It is an arithmetic number, because the mean of its divisors is an integer number (43763400).

Almost surely, 2^449011971 is an apocalyptic number.

449011971 is a deficient number, since it is larger than the sum of its proper divisors (251202429).

449011971 is a wasteful number, since it uses less digits than its factorization.

449011971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875295 (or 875289 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 449011971 is about 21189.9025717439. The cubic root of 449011971 is about 765.7481799886.

It can be divided in two parts, 4490 and 11971, that added together give a palindrome (16461).

The spelling of 449011971 in words is "four hundred forty-nine million, eleven thousand, nine hundred seventy-one".