2649763 has 4 divisors (see below), whose sum is σ = 2653240. Its totient is φ = 2646288.

The previous prime is 2649733. The next prime is 2649769. The reversal of 2649763 is 3679462.

2649763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2649763 - 2¹³ = 2641571 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6 + 4¹⁰ + 9⁴ + 7² + 6³ + 3¹³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (663310).

2^2649763 is an apocalyptic number.

2649763 is a deficient number, since it is larger than the sum of its proper divisors (3477).

2649763 is a wasteful number, since it uses less digits than its factorization.

2649763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476.

The product of its digits is 54432, while the sum is 37.

The square root of 2649763 is about 1627.8092640110. The cubic root of 2649763 is about 138.3786248689.

The spelling of 2649763 in words is "two million, six hundred forty-nine thousand, seven hundred sixty-three".