2698809552 has 120 divisors (see below), whose sum is σ = 7966632960. Its totient is φ = 850521600.

The previous prime is 2698809541. The next prime is 2698809649. The reversal of 2698809552 is 2559088962.

2698809552 is a `hidden beast` number, since 2 + 6 + 9 + 8 + 80 + 9 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2344177 + ... + 2345327.

It is an arithmetic number, because the mean of its divisors is an integer number (66388608).

Almost surely, 2^2698809552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2698809552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3983316480).

2698809552 is an abundant number, since it is smaller than the sum of its proper divisors (5267823408).

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

2698809552 is a wasteful number, since it uses less digits than its factorization.

2698809552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The square root of 2698809552 is about 51950.0678729104. The cubic root of 2698809552 is about 1392.2719692531.

The spelling of 2698809552 in words is "two billion, six hundred ninety-eight million, eight hundred nine thousand, five hundred fifty-two".