10000646959 has 4 divisors (see below), whose sum is σ = 10000938240. Its totient is φ = 10000355680.

The previous prime is 10000646923. The next prime is 10000646983. The reversal of 10000646959 is 95964600001.

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

It is a cyclic number.

It is not a de Polignac number, because 10000646959 - 2¹¹ = 10000644911 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 (10000646989) 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, 85999 + ... + 165520.

It is an arithmetic number, because the mean of its divisors is an integer number (2500234560).

Almost surely, 2^10000646959 is an apocalyptic number.

10000646959 is a deficient number, since it is larger than the sum of its proper divisors (291281).

10000646959 is an equidigital number, since it uses as much as digits as its factorization.

10000646959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291280.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 10000646959 in words is "ten billion, six hundred forty-six thousand, nine hundred fifty-nine".