7439009898 has 16 divisors (see below), whose sum is σ = 15009685056. Its totient is φ = 2457725760.

The previous prime is 7439009813. The next prime is 7439009911. The reversal of 7439009898 is 8989009347.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5485318 + ... + 5486673.

It is an arithmetic number, because the mean of its divisors is an integer number (938105316).

Almost surely, 2^7439009898 is an apocalyptic number.

7439009898 is an abundant number, since it is smaller than the sum of its proper divisors (7570675158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7439009898 is a wasteful number, since it uses less digits than its factorization.

7439009898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972109.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 7439009898 is about 86249.6950603305. The cubic root of 7439009898 is about 1952.1134130571.

The spelling of 7439009898 in words is "seven billion, four hundred thirty-nine million, nine thousand, eight hundred ninety-eight".