2649520411 has 4 divisors (see below), whose sum is σ = 2674282392. Its totient is φ = 2624758432.

The previous prime is 2649520387. The next prime is 2649520463. The reversal of 2649520411 is 1140259462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2649520411 - 2²⁷ = 2515302683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649520711) by changing a digit.

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, 12380830 + ... + 12381043.

It is an arithmetic number, because the mean of its divisors is an integer number (668570598).

Almost surely, 2^2649520411 is an apocalyptic number.

2649520411 is a deficient number, since it is larger than the sum of its proper divisors (24761981).

2649520411 is a wasteful number, since it uses less digits than its factorization.

2649520411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24761980.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2649520411 is about 51473.4923140057. The cubic root of 2649520411 is about 1383.7440182999.

Adding to 2649520411 its reverse (1140259462), we get a palindrome (3789779873).

The spelling of 2649520411 in words is "two billion, six hundred forty-nine million, five hundred twenty thousand, four hundred eleven".