9619045812 has 60 divisors (see below), whose sum is σ = 25155950820. Its totient is φ = 3205090944.

The previous prime is 9619045789. The next prime is 9619045819. The reversal of 9619045812 is 2185409169.

9619045812 is a `hidden beast` number, since 9 + 6 + 190 + 458 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4685950116 + 4933095696 = 68454^2 + 70236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9619045819) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1217218 + ... + 1225094.

It is an arithmetic number, because the mean of its divisors is an integer number (419265847).

Almost surely, 2^9619045812 is an apocalyptic number.

It is an amenable number.

9619045812 is an abundant number, since it is smaller than the sum of its proper divisors (15536905008).

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

9619045812 is a wasteful number, since it uses less digits than its factorization.

9619045812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662 (or 11651 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 9619045812 is about 98076.7343053387. The cubic root of 9619045812 is about 2126.7217095888.

The spelling of 9619045812 in words is "nine billion, six hundred nineteen million, forty-five thousand, eight hundred twelve".