449702101 has 4 divisors (see below), whose sum is σ = 465209100. Its totient is φ = 434195104.

The previous prime is 449702083. The next prime is 449702111. The reversal of 449702101 is 101207944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131079601 + 318622500 = 11449^2 + 17850^2 .

It is a cyclic number.

It is not a de Polignac number, because 449702101 - 2⁵ = 449702069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449702101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449702111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7753456 + ... + 7753513.

It is an arithmetic number, because the mean of its divisors is an integer number (116302275).

Almost surely, 2^449702101 is an apocalyptic number.

It is an amenable number.

449702101 is a deficient number, since it is larger than the sum of its proper divisors (15506999).

449702101 is a wasteful number, since it uses less digits than its factorization.

449702101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15506998.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 449702101 is about 21206.1807263826. The cubic root of 449702101 is about 766.1402966851.

The spelling of 449702101 in words is "four hundred forty-nine million, seven hundred two thousand, one hundred one".