4662749649 has 16 divisors (see below), whose sum is σ = 6421008384. Its totient is φ = 3006603600.

The previous prime is 4662749639. The next prime is 4662749683. The reversal of 4662749649 is 9469472664.

It is not a de Polignac number, because 4662749649 - 2⁵ = 4662749617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4662749639) 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 15 ways as a sum of consecutive naturals, for example, 173764 + ... + 198794.

It is an arithmetic number, because the mean of its divisors is an integer number (401313024).

Almost surely, 2^4662749649 is an apocalyptic number.

It is an amenable number.

4662749649 is a deficient number, since it is larger than the sum of its proper divisors (1758258735).

4662749649 is a wasteful number, since it uses less digits than its factorization.

4662749649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27068.

The product of its digits is 15676416, while the sum is 57.

The square root of 4662749649 is about 68284.3294541288. The cubic root of 4662749649 is about 1670.6316289556.

The spelling of 4662749649 in words is "four billion, six hundred sixty-two million, seven hundred forty-nine thousand, six hundred forty-nine".