6538809634 has 8 divisors (see below), whose sum is σ = 11209387968. Its totient is φ = 2802346980.

The previous prime is 6538809631. The next prime is 6538809649. The reversal of 6538809634 is 4369088356.

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

It is not an unprimeable number, because it can be changed into a prime (6538809631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233528902 + ... + 233528929.

It is an arithmetic number, because the mean of its divisors is an integer number (1401173496).

Almost surely, 2^6538809634 is an apocalyptic number.

6538809634 is a deficient number, since it is larger than the sum of its proper divisors (4670578334).

6538809634 is a wasteful number, since it uses less digits than its factorization.

6538809634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467057840.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 6538809634 is about 80862.9064157355. The cubic root of 6538809634 is about 1869.9625026082.

The spelling of 6538809634 in words is "six billion, five hundred thirty-eight million, eight hundred nine thousand, six hundred thirty-four".