10639242977 has 4 divisors (see below), whose sum is σ = 11606446896. Its totient is φ = 9672039060.

The previous prime is 10639242893. The next prime is 10639242989. The reversal of 10639242977 is 77924293601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10639242977 - 2²⁰ = 10638194401 is a prime.

It is a super-2 number, since 2×10639242977² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10639242077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483601943 + ... + 483601964.

It is an arithmetic number, because the mean of its divisors is an integer number (2901611724).

Almost surely, 2^10639242977 is an apocalyptic number.

It is an amenable number.

10639242977 is a deficient number, since it is larger than the sum of its proper divisors (967203919).

10639242977 is an equidigital number, since it uses as much as digits as its factorization.

10639242977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967203918.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 10639242977 in words is "ten billion, six hundred thirty-nine million, two hundred forty-two thousand, nine hundred seventy-seven".