5509638634 has 8 divisors (see below), whose sum is σ = 8270035200. Its totient is φ = 2752960236.

The previous prime is 5509638599. The next prime is 5509638637. The reversal of 5509638634 is 4368369055.

It is a happy number.

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

It is a super-2 number, since 2×5509638634² = 60712235754530771912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5509638637) 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, 925834 + ... + 931765.

It is an arithmetic number, because the mean of its divisors is an integer number (1033754400).

Almost surely, 2^5509638634 is an apocalyptic number.

5509638634 is a deficient number, since it is larger than the sum of its proper divisors (2760396566).

5509638634 is a wasteful number, since it uses less digits than its factorization.

5509638634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859084.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The square root of 5509638634 is about 74226.9400824256. The cubic root of 5509638634 is about 1766.2047093963.

The spelling of 5509638634 in words is "five billion, five hundred nine million, six hundred thirty-eight thousand, six hundred thirty-four".