10939745807 has 4 divisors (see below), whose sum is σ = 10941545016. Its totient is φ = 10937946600.

The previous prime is 10939745801. The next prime is 10939745809. The reversal of 10939745807 is 70854793901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10939745807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10939745801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890453 + ... + 902654.

It is an arithmetic number, because the mean of its divisors is an integer number (2735386254).

Almost surely, 2^10939745807 is an apocalyptic number.

10939745807 is a deficient number, since it is larger than the sum of its proper divisors (1799209).

10939745807 is an equidigital number, since it uses as much as digits as its factorization.

10939745807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799208.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 10939745807 in words is "ten billion, nine hundred thirty-nine million, seven hundred forty-five thousand, eight hundred seven".