9657286806431 has 16 divisors (see below), whose sum is σ = 10577881105440. Its totient is φ = 8743866606720.

The previous prime is 9657286806359. The next prime is 9657286806467. The reversal of 9657286806431 is 1346086827569.

It is a cyclic number.

It is not a de Polignac number, because 9657286806431 - 2¹⁰ = 9657286805407 is a prime.

It is a super-2 number, since 2×9657286806431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9657286806131) 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, 1401965 + ... + 4613033.

It is an arithmetic number, because the mean of its divisors is an integer number (661117569090).

It is a 1-persistent number, because it is pandigital, but 2⋅9657286806431 = 19314573612862 is not.

Almost surely, 2^{9657286806431} is an apocalyptic number.

9657286806431 is a deficient number, since it is larger than the sum of its proper divisors (920594299009).

9657286806431 is a wasteful number, since it uses less digits than its factorization.

9657286806431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212186.

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 9657286806431 in words is "nine trillion, six hundred fifty-seven billion, two hundred eighty-six million, eight hundred six thousand, four hundred thirty-one".