2749341568 has 64 divisors (see below), whose sum is σ = 5676422400. Its totient is φ = 1325495808.

The previous prime is 2749341527. The next prime is 2749341601. The reversal of 2749341568 is 8651439472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 431655 + ... + 437977.

It is an arithmetic number, because the mean of its divisors is an integer number (88694100).

Almost surely, 2^2749341568 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 2749341568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2838211200).

2749341568 is an abundant number, since it is smaller than the sum of its proper divisors (2927080832).

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

2749341568 is an equidigital number, since it uses as much as digits as its factorization.

2749341568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6447 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 2749341568 is about 52434.1641298877. The cubic root of 2749341568 is about 1400.9078411080.

The spelling of 2749341568 in words is "two billion, seven hundred forty-nine million, three hundred forty-one thousand, five hundred sixty-eight".