9018839452 has 18 divisors (see below), whose sum is σ = 18359780712. Its totient is φ = 3865216824.

The previous prime is 9018839449. The next prime is 9018839471. The reversal of 9018839452 is 2549388109.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 9018839396 and 9018839405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23007048 + ... + 23007439.

Almost surely, 2^9018839452 is an apocalyptic number.

It is an amenable number.

9018839452 is an abundant number, since it is smaller than the sum of its proper divisors (9340941260).

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

9018839452 is a wasteful number, since it uses less digits than its factorization.

9018839452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46014505 (or 46014496 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 9018839452 is about 94967.5705280492. The cubic root of 9018839452 is about 2081.5342055566.

The spelling of 9018839452 in words is "nine billion, eighteen million, eight hundred thirty-nine thousand, four hundred fifty-two".