2449407898 has 16 divisors (see below), whose sum is σ = 4334436864. Its totient is φ = 1015883280.

The previous prime is 2449407869. The next prime is 2449407899. The reversal of 2449407898 is 8987049442.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2449407899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821465 + ... + 2822332.

It is an arithmetic number, because the mean of its divisors is an integer number (270902304).

Almost surely, 2^2449407898 is an apocalyptic number.

2449407898 is a deficient number, since it is larger than the sum of its proper divisors (1885028966).

2449407898 is a wasteful number, since it uses less digits than its factorization.

2449407898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643837.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 2449407898 is about 49491.4931882238. The cubic root of 2449407898 is about 1347.9911407901.

The spelling of 2449407898 in words is "two billion, four hundred forty-nine million, four hundred seven thousand, eight hundred ninety-eight".