2449205897 has 4 divisors (see below), whose sum is σ = 2450384916. Its totient is φ = 2448026880.

The previous prime is 2449205893. The next prime is 2449205917. The reversal of 2449205897 is 7985029442.

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 1085307136 + 1363898761 = 32944^2 + 36931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2449205897 - 2² = 2449205893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2449205893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586388 + ... + 590549.

It is an arithmetic number, because the mean of its divisors is an integer number (612596229).

Almost surely, 2^2449205897 is an apocalyptic number.

It is an amenable number.

2449205897 is a deficient number, since it is larger than the sum of its proper divisors (1179019).

2449205897 is a wasteful number, since it uses less digits than its factorization.

2449205897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179018.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2449205897 is about 49489.4523812903. The cubic root of 2449205897 is about 1347.9540838011.

The spelling of 2449205897 in words is "two billion, four hundred forty-nine million, two hundred five thousand, eight hundred ninety-seven".