10639959847 has 16 divisors (see below), whose sum is σ = 12295971072. Its totient is φ = 9099291520.

The previous prime is 10639959833. The next prime is 10639959887. The reversal of 10639959847 is 74895993601.

It is not a de Polignac number, because 10639959847 - 2⁷ = 10639959719 is a prime.

It is a super-2 number, since 2×10639959847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10639959817) 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, 406758 + ... + 432124.

It is an arithmetic number, because the mean of its divisors is an integer number (768498192).

Almost surely, 2^10639959847 is an apocalyptic number.

10639959847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10639959847 is a deficient number, since it is larger than the sum of its proper divisors (1656011225).

10639959847 is a wasteful number, since it uses less digits than its factorization.

10639959847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27638.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 10639959847 in words is "ten billion, six hundred thirty-nine million, nine hundred fifty-nine thousand, eight hundred forty-seven".