9451719012 has 24 divisors (see below), whose sum is σ = 22591914912. Its totient is φ = 3073729600.

The previous prime is 9451718989. The next prime is 9451719029. The reversal of 9451719012 is 2109171549.

9451719012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9451719012² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9604914 + ... + 9605897.

It is an arithmetic number, because the mean of its divisors is an integer number (941329788).

Almost surely, 2^9451719012 is an apocalyptic number.

It is an amenable number.

9451719012 is an abundant number, since it is smaller than the sum of its proper divisors (13140195900).

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

9451719012 is a wasteful number, since it uses less digits than its factorization.

9451719012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19210859 (or 19210857 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 9451719012 is about 97219.9517177416. The cubic root of 9451719012 is about 2114.3178064618.

The spelling of 9451719012 in words is "nine billion, four hundred fifty-one million, seven hundred nineteen thousand, twelve".