2649749588 has 12 divisors (see below), whose sum is σ = 4664829792. Its totient is φ = 1316941080.

The previous prime is 2649749587. The next prime is 2649749593. The reversal of 2649749588 is 8859479462.

It is a self number, because there is not a number n which added to its sum of digits gives 2649749588.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649749587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982678 + ... + 1984013.

It is an arithmetic number, because the mean of its divisors is an integer number (388735816).

Almost surely, 2^2649749588 is an apocalyptic number.

It is an amenable number.

2649749588 is a deficient number, since it is larger than the sum of its proper divisors (2015080204).

2649749588 is a wasteful number, since it uses less digits than its factorization.

2649749588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966862 (or 3966860 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The square root of 2649749588 is about 51475.7184311205. The cubic root of 2649749588 is about 1383.7839139679.

The spelling of 2649749588 in words is "two billion, six hundred forty-nine million, seven hundred forty-nine thousand, five hundred eighty-eight".