9249429812 has 48 divisors (see below), whose sum is σ = 18696437760. Its totient is φ = 3921880032.

The previous prime is 9249429811. The next prime is 9249429841. The reversal of 9249429812 is 2189249429.

It is a super-2 number, since 2×9249429812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9249429811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344293 + ... + 1351155.

It is an arithmetic number, because the mean of its divisors is an integer number (389509120).

Almost surely, 2^9249429812 is an apocalyptic number.

It is an amenable number.

9249429812 is an abundant number, since it is smaller than the sum of its proper divisors (9447007948).

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

9249429812 is a wasteful number, since it uses less digits than its factorization.

9249429812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380 (or 7378 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 9249429812 is about 96173.9559964131. The cubic root of 9249429812 is about 2099.1250937465.

The spelling of 9249429812 in words is "nine billion, two hundred forty-nine million, four hundred twenty-nine thousand, eight hundred twelve".