9145688412 has 96 divisors (see below), whose sum is σ = 24886794240. Its totient is φ = 2559971520.

The previous prime is 9145688393. The next prime is 9145688429. The reversal of 9145688412 is 2148865419.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1518487 + ... + 1524497.

It is an arithmetic number, because the mean of its divisors is an integer number (259237440).

Almost surely, 2^9145688412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9145688412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12443397120).

9145688412 is an abundant number, since it is smaller than the sum of its proper divisors (15741105828).

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

9145688412 is a wasteful number, since it uses less digits than its factorization.

9145688412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6389 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 9145688412 is about 95633.0926614841. The cubic root of 9145688412 is about 2091.2476553422.

The spelling of 9145688412 in words is "nine billion, one hundred forty-five million, six hundred eighty-eight thousand, four hundred twelve".