2599948398 has 16 divisors (see below), whose sum is σ = 5288031360. Its totient is φ = 851960376.

The previous prime is 2599948369. The next prime is 2599948411. The reversal of 2599948398 is 8938499952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671890 + ... + 3672597.

It is an arithmetic number, because the mean of its divisors is an integer number (330501960).

Almost surely, 2^2599948398 is an apocalyptic number.

2599948398 is an abundant number, since it is smaller than the sum of its proper divisors (2688082962).

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

2599948398 is a wasteful number, since it uses less digits than its factorization.

2599948398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344551.

The product of its digits is 50388480, while the sum is 66.

The square root of 2599948398 is about 50989.6891341769. The cubic root of 2599948398 is about 1375.0597700519.

The spelling of 2599948398 in words is "two billion, five hundred ninety-nine million, nine hundred forty-eight thousand, three hundred ninety-eight".