8629504538 has 16 divisors (see below), whose sum is σ = 14178295080. Its totient is φ = 3920910336.

The previous prime is 8629504537. The next prime is 8629504547. The reversal of 8629504538 is 8354059268.

It can be written as a sum of positive squares in 4 ways, for example, as 6189440929 + 2440063609 = 78673^2 + 49397^2 .

It is not an unprimeable number, because it can be changed into a prime (8629504537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4375031 + ... + 4377002.

Almost surely, 2^8629504538 is an apocalyptic number.

8629504538 is a deficient number, since it is larger than the sum of its proper divisors (5548790542).

8629504538 is a wasteful number, since it uses less digits than its factorization.

8629504538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752081.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 8629504538 is about 92895.1265567791. The cubic root of 8629504538 is about 2051.1399202932.

The spelling of 8629504538 in words is "eight billion, six hundred twenty-nine million, five hundred four thousand, five hundred thirty-eight".