2901449729 has 8 divisors (see below), whose sum is σ = 2918953128. Its totient is φ = 2883962880.

The previous prime is 2901449713. The next prime is 2901449737. The reversal of 2901449729 is 9279441092.

It can be written as a sum of positive squares in 4 ways, for example, as 461089729 + 2440360000 = 21473^2 + 49400^2 .

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 2901449729 - 2⁴ = 2901449713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2901449779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623399 + ... + 628035.

It is an arithmetic number, because the mean of its divisors is an integer number (364869141).

Almost surely, 2^2901449729 is an apocalyptic number.

It is an amenable number.

2901449729 is a deficient number, since it is larger than the sum of its proper divisors (17503399).

2901449729 is a wasteful number, since it uses less digits than its factorization.

2901449729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2901449729 is about 53865.1067853764. The cubic root of 2901449729 is about 1426.2807369933.

The spelling of 2901449729 in words is "two billion, nine hundred one million, four hundred forty-nine thousand, seven hundred twenty-nine".