9249858221452 has 6 divisors (see below), whose sum is σ = 16187251887548. Its totient is φ = 4624929110724.

The previous prime is 9249858221449. The next prime is 9249858221459. The reversal of 9249858221452 is 2541228589429.

It is not an unprimeable number, because it can be changed into a prime (9249858221459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156232277678 + ... + 1156232277685.

Almost surely, 2^{9249858221452} is an apocalyptic number.

It is an amenable number.

9249858221452 is a deficient number, since it is larger than the sum of its proper divisors (6937393666096).

9249858221452 is a wasteful number, since it uses less digits than its factorization.

9249858221452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312464555367 (or 2312464555365 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 61.

The spelling of 9249858221452 in words is "nine trillion, two hundred forty-nine billion, eight hundred fifty-eight million, two hundred twenty-one thousand, four hundred fifty-two".