9951402685 has 16 divisors (see below), whose sum is σ = 13654601856. Its totient is φ = 6820337088.

The previous prime is 9951402683. The next prime is 9951402691. The reversal of 9951402685 is 5862041599.

9951402685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9951402685 - 2¹ = 9951402683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9951402683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002 + ... + 141091.

It is an arithmetic number, because the mean of its divisors is an integer number (853412616).

Almost surely, 2^9951402685 is an apocalyptic number.

It is an amenable number.

9951402685 is a deficient number, since it is larger than the sum of its proper divisors (3703199171).

9951402685 is a wasteful number, since it uses less digits than its factorization.

9951402685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145092.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 9951402685 is about 99756.7174931092. The cubic root of 9951402685 is about 2150.9390298691.

The spelling of 9951402685 in words is "nine billion, nine hundred fifty-one million, four hundred two thousand, six hundred eighty-five".