9655390931406 has 64 divisors (see below), whose sum is σ = 22202072697600. Its totient is φ = 2768506041600.

The previous prime is 9655390931359. The next prime is 9655390931413. The reversal of 9655390931406 is 6041390935569.

It is a self number, because there is not a number n which added to its sum of digits gives 9655390931406.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3659671 + ... + 5718738.

It is an arithmetic number, because the mean of its divisors is an integer number (346907385900).

Almost surely, 2^{9655390931406} is an apocalyptic number.

9655390931406 is an abundant number, since it is smaller than the sum of its proper divisors (12546681766194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9655390931406 is a wasteful number, since it uses less digits than its factorization.

9655390931406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379265.

The product of its (nonzero) digits is 23619600, while the sum is 60.

The spelling of 9655390931406 in words is "nine trillion, six hundred fifty-five billion, three hundred ninety million, nine hundred thirty-one thousand, four hundred six".