2465642649 has 16 divisors (see below), whose sum is σ = 3311447040. Its totient is φ = 1631844480.

The previous prime is 2465642633. The next prime is 2465642681. The reversal of 2465642649 is 9462465642.

It is not a de Polignac number, because 2465642649 - 2⁴ = 2465642633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2465642598 and 2465642607.

It is not an unprimeable number, because it can be changed into a prime (2465642689) 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, 228232 + ... + 238790.

It is an arithmetic number, because the mean of its divisors is an integer number (206965440).

Almost surely, 2^2465642649 is an apocalyptic number.

It is an amenable number.

2465642649 is a deficient number, since it is larger than the sum of its proper divisors (845804391).

2465642649 is a wasteful number, since it uses less digits than its factorization.

2465642649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120.

The product of its digits is 2488320, while the sum is 48.

The square root of 2465642649 is about 49655.2378808117. The cubic root of 2465642649 is about 1350.9627607004.

The spelling of 2465642649 in words is "two billion, four hundred sixty-five million, six hundred forty-two thousand, six hundred forty-nine".