63606008641 has 12 divisors (see below), whose sum is σ = 74461950228. Its totient is φ = 54172171872.

The previous prime is 63606008639. The next prime is 63606008677. The reversal of 63606008641 is 14680060636.

It can be written as a sum of positive squares in 2 ways, for example, as 19055041600 + 44550967041 = 138040^2 + 211071^2 .

It is not a de Polignac number, because 63606008641 - 2¹ = 63606008639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63606008594 and 63606008603.

It is not an unprimeable number, because it can be changed into a prime (63606008341) 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, 4126326 + ... + 4141711.

It is an arithmetic number, because the mean of its divisors is an integer number (6205162519).

Almost surely, 2^63606008641 is an apocalyptic number.

It is an amenable number.

63606008641 is a deficient number, since it is larger than the sum of its proper divisors (10855941587).

63606008641 is a wasteful number, since it uses less digits than its factorization.

63606008641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268208 (or 8268201 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 63606008641 in words is "sixty-three billion, six hundred six million, eight thousand, six hundred forty-one".