2748783663 has 12 divisors (see below), whose sum is σ = 3970924048. Its totient is φ = 1832310720.

The previous prime is 2748783649. The next prime is 2748783677. The reversal of 2748783663 is 3663878472.

2748783663 is a `hidden beast` number, since 27 + 487 + 83 + 6 + 63 = 666.

It is an interprime number because it is at equal distance from previous prime (2748783649) and next prime (2748783677).

It is not a de Polignac number, because 2748783663 - 2⁸ = 2748783407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748787663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126918 + ... + 146988.

Almost surely, 2^2748783663 is an apocalyptic number.

2748783663 is a deficient number, since it is larger than the sum of its proper divisors (1222140385).

2748783663 is a wasteful number, since it uses less digits than its factorization.

2748783663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35294 (or 35291 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 2748783663 is about 52428.8438075836. The cubic root of 2748783663 is about 1400.8130758290.

The spelling of 2748783663 in words is "two billion, seven hundred forty-eight million, seven hundred eighty-three thousand, six hundred sixty-three".