449730291 has 16 divisors (see below), whose sum is σ = 636573600. Its totient is φ = 281445888.

The previous prime is 449730287. The next prime is 449730317. The reversal of 449730291 is 192037944.

It is not a de Polignac number, because 449730291 - 2² = 449730287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449730221) 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, 8505 + ... + 31173.

It is an arithmetic number, because the mean of its divisors is an integer number (39785850).

Almost surely, 2^449730291 is an apocalyptic number.

449730291 is a deficient number, since it is larger than the sum of its proper divisors (186843309).

449730291 is a wasteful number, since it uses less digits than its factorization.

449730291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23078.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 449730291 is about 21206.8453806784. The cubic root of 449730291 is about 766.1563050928.

The spelling of 449730291 in words is "four hundred forty-nine million, seven hundred thirty thousand, two hundred ninety-one".