9857544412 has 12 divisors (see below), whose sum is σ = 17576188056. Its totient is φ = 4835776400.

The previous prime is 9857544407. The next prime is 9857544449. The reversal of 9857544412 is 2144457589.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23248714 + ... + 23249137.

It is an arithmetic number, because the mean of its divisors is an integer number (1464682338).

Almost surely, 2^9857544412 is an apocalyptic number.

It is an amenable number.

9857544412 is a deficient number, since it is larger than the sum of its proper divisors (7718643644).

9857544412 is a wasteful number, since it uses less digits than its factorization.

9857544412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497908 (or 46497906 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 9857544412 is about 99285.1671298387. The cubic root of 9857544412 is about 2144.1553473866.

The spelling of 9857544412 in words is "nine billion, eight hundred fifty-seven million, five hundred forty-four thousand, four hundred twelve".