449300691 has 24 divisors (see below), whose sum is σ = 743468544. Its totient is φ = 256132080.

The previous prime is 449300689. The next prime is 449300693. The reversal of 449300691 is 196003944.

It is an interprime number because it is at equal distance from previous prime (449300689) and next prime (449300693).

It is not a de Polignac number, because 449300691 - 2¹ = 449300689 is a prime.

It is a super-2 number, since 2×449300691² = 403742221866154962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449300693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18880 + ... + 35426.

It is an arithmetic number, because the mean of its divisors is an integer number (30977856).

Almost surely, 2^449300691 is an apocalyptic number.

449300691 is a deficient number, since it is larger than the sum of its proper divisors (294167853).

449300691 is a wasteful number, since it uses less digits than its factorization.

449300691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991 (or 16988 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 449300691 is about 21196.7141557365. The cubic root of 449300691 is about 765.9122731966.

The spelling of 449300691 in words is "four hundred forty-nine million, three hundred thousand, six hundred ninety-one".