5640817634 has 16 divisors (see below), whose sum is σ = 8969421600. Its totient is φ = 2651398464.

The previous prime is 5640817631. The next prime is 5640817639. The reversal of 5640817634 is 4367180465.

It is not an unprimeable number, because it can be changed into a prime (5640817631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67364 + ... + 125775.

It is an arithmetic number, because the mean of its divisors is an integer number (560588850).

Almost surely, 2^5640817634 is an apocalyptic number.

5640817634 is a deficient number, since it is larger than the sum of its proper divisors (3328603966).

5640817634 is a wasteful number, since it uses less digits than its factorization.

5640817634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194017.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 5640817634 is about 75105.3768647758. The cubic root of 5640817634 is about 1780.1121035738.

The spelling of 5640817634 in words is "five billion, six hundred forty million, eight hundred seventeen thousand, six hundred thirty-four".