9467890509042 has 128 divisors (see below), whose sum is σ = 25468195737600. Its totient is φ = 2545155157248.

The previous prime is 9467890509041. The next prime is 9467890509047. The reversal of 9467890509042 is 2409050987649.

9467890509042 is a `hidden beast` number, since 9 + 4 + 6 + 7 + 89 + 0 + 509 + 0 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9467890509041) 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 63 ways as a sum of consecutive naturals, for example, 19546393 + ... + 20024915.

It is an arithmetic number, because the mean of its divisors is an integer number (198970279200).

Almost surely, 2^{9467890509042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9467890509042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12734097868800).

9467890509042 is an abundant number, since it is smaller than the sum of its proper divisors (16000305228558).

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

9467890509042 is a wasteful number, since it uses less digits than its factorization.

9467890509042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481637 (or 481631 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 9467890509042 in words is "nine trillion, four hundred sixty-seven billion, eight hundred ninety million, five hundred nine thousand, forty-two".