1009461793218 has 32 divisors (see below), whose sum is σ = 2061998519040. Its totient is φ = 329308936320.

The previous prime is 1009461793217. The next prime is 1009461793283. The reversal of 1009461793218 is 8123971649001.

It is a super-2 number, since 2×1009461793218² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1009461793213) 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, 5283598 + ... + 5471318.

It is an arithmetic number, because the mean of its divisors is an integer number (64437453720).

Almost surely, 2^{1009461793218} is an apocalyptic number.

1009461793218 is an abundant number, since it is smaller than the sum of its proper divisors (1052536725822).

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

1009461793218 is a wasteful number, since it uses less digits than its factorization.

1009461793218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206842.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 1009461793218 in words is "one trillion, nine billion, four hundred sixty-one million, seven hundred ninety-three thousand, two hundred eighteen".