10439661879 has 6 divisors (see below), whose sum is σ = 15079511616. Its totient is φ = 6959774580.

The previous prime is 10439661877. The next prime is 10439661913. The reversal of 10439661879 is 97816693401.

10439661879 is a `hidden beast` number, since 10 + 4 + 3 + 9 + 6 + 618 + 7 + 9 = 666.

It is not a de Polignac number, because 10439661879 - 2¹ = 10439661877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10439661871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579981207 + ... + 579981224.

It is an arithmetic number, because the mean of its divisors is an integer number (2513251936).

Almost surely, 2^10439661879 is an apocalyptic number.

10439661879 is a deficient number, since it is larger than the sum of its proper divisors (4639849737).

10439661879 is a wasteful number, since it uses less digits than its factorization.

10439661879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159962437 (or 1159962434 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 10439661879 in words is "ten billion, four hundred thirty-nine million, six hundred sixty-one thousand, eight hundred seventy-nine".