2748492487 has 16 divisors (see below), whose sum is σ = 3082322880. Its totient is φ = 2433312000.

The previous prime is 2748492463. The next prime is 2748492491. The reversal of 2748492487 is 7842948472.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2748492487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748492427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32787 + ... + 81067.

It is an arithmetic number, because the mean of its divisors is an integer number (192645180).

Almost surely, 2^2748492487 is an apocalyptic number.

2748492487 is a deficient number, since it is larger than the sum of its proper divisors (333830393).

2748492487 is a wasteful number, since it uses less digits than its factorization.

2748492487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48474.

The product of its digits is 7225344, while the sum is 55.

The square root of 2748492487 is about 52426.0668656347. The cubic root of 2748492487 is about 1400.7636118235.

The spelling of 2748492487 in words is "two billion, seven hundred forty-eight million, four hundred ninety-two thousand, four hundred eighty-seven".