9814956623 has 16 divisors (see below), whose sum is σ = 10155974400. Its totient is φ = 9481218240.

The previous prime is 9814956611. The next prime is 9814956637. The reversal of 9814956623 is 3266594189.

It is a cyclic number.

It is not a de Polignac number, because 9814956623 - 2⁴ = 9814956607 is a prime.

It is a super-2 number, since 2×9814956623² (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 (9814956643) 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, 789923 + ... + 802251.

It is an arithmetic number, because the mean of its divisors is an integer number (634748400).

Almost surely, 2^9814956623 is an apocalyptic number.

9814956623 is a deficient number, since it is larger than the sum of its proper divisors (341017777).

9814956623 is a wasteful number, since it uses less digits than its factorization.

9814956623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622.

The product of its digits is 2799360, while the sum is 53.

The square root of 9814956623 is about 99070.4629190759. The cubic root of 9814956623 is about 2141.0630743866.

The spelling of 9814956623 in words is "nine billion, eight hundred fourteen million, nine hundred fifty-six thousand, six hundred twenty-three".