10639426648 has 16 divisors (see below), whose sum is σ = 20064239280. Its totient is φ = 5288962848.

The previous prime is 10639426573. The next prime is 10639426697. The reversal of 10639426648 is 84662493601.

It is a super-2 number, since 2×10639426648² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842340 + ... + 3845107.

It is an arithmetic number, because the mean of its divisors is an integer number (1254014955).

Almost surely, 2^10639426648 is an apocalyptic number.

It is an amenable number.

10639426648 is a deficient number, since it is larger than the sum of its proper divisors (9424812632).

10639426648 is a wasteful number, since it uses less digits than its factorization.

10639426648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687626 (or 7687622 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 10639426648 in words is "ten billion, six hundred thirty-nine million, four hundred twenty-six thousand, six hundred forty-eight".