5640635534 has 8 divisors (see below), whose sum is σ = 8640973728. Its totient is φ = 2760310960.

The previous prime is 5640635521. The next prime is 5640635579. The reversal of 5640635534 is 4355360465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×5640635534³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5640635491 and 5640635500.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30003287 + ... + 30003474.

It is an arithmetic number, because the mean of its divisors is an integer number (1080121716).

Almost surely, 2^5640635534 is an apocalyptic number.

5640635534 is a deficient number, since it is larger than the sum of its proper divisors (3000338194).

5640635534 is a wasteful number, since it uses less digits than its factorization.

5640635534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60006810.

The product of its (nonzero) digits is 648000, while the sum is 41.

The square root of 5640635534 is about 75104.1645582986. The cubic root of 5640635534 is about 1780.0929478460.

Adding to 5640635534 its reverse (4355360465), we get a palindrome (9995995999).

The spelling of 5640635534 in words is "five billion, six hundred forty million, six hundred thirty-five thousand, five hundred thirty-four".