2748891064 has 16 divisors (see below), whose sum is σ = 5155650000. Its totient is φ = 1374051072.

The previous prime is 2748891053. The next prime is 2748891137. The reversal of 2748891064 is 4601988472.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2748890999 and 2748891017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18564 + ... + 76435.

It is an arithmetic number, because the mean of its divisors is an integer number (322228125).

Almost surely, 2^2748891064 is an apocalyptic number.

It is an amenable number.

2748891064 is a deficient number, since it is larger than the sum of its proper divisors (2406758936).

2748891064 is a wasteful number, since it uses less digits than its factorization.

2748891064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98622 (or 98618 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 2748891064 is about 52429.8680524756. The cubic root of 2748891064 is about 1400.8313198701.

The spelling of 2748891064 in words is "two billion, seven hundred forty-eight million, eight hundred ninety-one thousand, sixty-four".