9835390343904 has 48 divisors (see below), whose sum is σ = 25855700556672. Its totient is φ = 3273663333248.

The previous prime is 9835390343903. The next prime is 9835390343923. The reversal of 9835390343904 is 4093430935389.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×9835390343904² (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 (9835390343903) 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, 74935884 + ... + 75067019.

It is an arithmetic number, because the mean of its divisors is an integer number (538660428264).

Almost surely, 2^{9835390343904} is an apocalyptic number.

It is an amenable number.

9835390343904 is an abundant number, since it is smaller than the sum of its proper divisors (16020310212768).

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

9835390343904 is a wasteful number, since it uses less digits than its factorization.

9835390343904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150003599 (or 150003591 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 60.

The spelling of 9835390343904 in words is "nine trillion, eight hundred thirty-five billion, three hundred ninety million, three hundred forty-three thousand, nine hundred four".