4639360630529 has 12 divisors (see below), whose sum is σ = 4901004206100. Its totient is φ = 4391040900960.

The previous prime is 4639360630511. The next prime is 4639360630589. The reversal of 4639360630529 is 9250360639364.

It can be written as a sum of positive squares in 2 ways, for example, as 3609639009025 + 1029721621504 = 1899905^2 + 1014752^2 .

It is not a de Polignac number, because 4639360630529 - 2³² = 4635065663233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4639360630589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5673254 + ... + 6439295.

It is an arithmetic number, because the mean of its divisors is an integer number (408417017175).

Almost surely, 2^{4639360630529} is an apocalyptic number.

It is an amenable number.

4639360630529 is a deficient number, since it is larger than the sum of its proper divisors (261643575571).

4639360630529 is a wasteful number, since it uses less digits than its factorization.

4639360630529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113648 (or 12113629 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 56.

The spelling of 4639360630529 in words is "four trillion, six hundred thirty-nine billion, three hundred sixty million, six hundred thirty thousand, five hundred twenty-nine".