10649685959 has 8 divisors (see below), whose sum is σ = 11620576128. Its totient is φ = 9679251960.

The previous prime is 10649685947. The next prime is 10649685983. The reversal of 10649685959 is 95958694601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10649685959 is a prime.

It is a super-2 number, since 2×10649685959² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649685259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64277 + ... + 159470.

It is an arithmetic number, because the mean of its divisors is an integer number (1452572016).

Almost surely, 2^10649685959 is an apocalyptic number.

10649685959 is a deficient number, since it is larger than the sum of its proper divisors (970890169).

10649685959 is a wasteful number, since it uses less digits than its factorization.

10649685959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228085.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 10649685959 in words is "ten billion, six hundred forty-nine million, six hundred eighty-five thousand, nine hundred fifty-nine".