9019485252 has 36 divisors (see below), whose sum is σ = 24140388636. Its totient is φ = 2829642240.

The previous prime is 9019485197. The next prime is 9019485281. The reversal of 9019485252 is 2525849109.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7362669636 + 1656815616 = 85806^2 + 40704^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×9019485252² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9019485198 and 9019485207.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7368249 + ... + 7369472.

It is an arithmetic number, because the mean of its divisors is an integer number (670566351).

Almost surely, 2^9019485252 is an apocalyptic number.

It is an amenable number.

9019485252 is an abundant number, since it is smaller than the sum of its proper divisors (15120903384).

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

9019485252 is a wasteful number, since it uses less digits than its factorization.

9019485252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14737748 (or 14737743 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 9019485252 is about 94970.9705752237. The cubic root of 9019485252 is about 2081.5838875847.

The spelling of 9019485252 in words is "nine billion, nineteen million, four hundred eighty-five thousand, two hundred fifty-two".