4520688639 has 16 divisors (see below), whose sum is σ = 6350112000. Its totient is φ = 2852793216.

The previous prime is 4520688631. The next prime is 4520688647. The reversal of 4520688639 is 9368860254.

It is an interprime number because it is at equal distance from previous prime (4520688631) and next prime (4520688647).

It is not a de Polignac number, because 4520688639 - 2³ = 4520688631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520688591 and 4520688600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520688631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37287 + ... + 102135.

It is an arithmetic number, because the mean of its divisors is an integer number (396882000).

Almost surely, 2^4520688639 is an apocalyptic number.

4520688639 is a deficient number, since it is larger than the sum of its proper divisors (1829423361).

4520688639 is a wasteful number, since it uses less digits than its factorization.

4520688639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66094.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The square root of 4520688639 is about 67236.0665045182. The cubic root of 4520688639 is about 1653.4898451609.

The spelling of 4520688639 in words is "four billion, five hundred twenty million, six hundred eighty-eight thousand, six hundred thirty-nine".