9000001050 has 96 divisors (see below), whose sum is σ = 23021002752. Its totient is φ = 2325516480.

The previous prime is 9000001019. The next prime is 9000001081. The reversal of 9000001050 is 501000009.

It is an interprime number because it is at equal distance from previous prime (9000001019) and next prime (9000001081).

It is a super-2 number, since 2×9000001050² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 813657 + ... + 824643.

It is an arithmetic number, because the mean of its divisors is an integer number (239802112).

Almost surely, 2^9000001050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9000001050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11510501376).

9000001050 is an abundant number, since it is smaller than the sum of its proper divisors (14021001702).

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

9000001050 is a wasteful number, since it uses less digits than its factorization.

9000001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11172 (or 11167 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 9000001050 is about 94868.3353390371. The cubic root of 9000001050 is about 2080.0839039440.

Adding to 9000001050 its reverse (501000009), we get a palindrome (9501001059).

The spelling of 9000001050 in words is "nine billion, one thousand, fifty".