9100901000 has 32 divisors (see below), whose sum is σ = 21296110680. Its totient is φ = 3640360000.

The previous prime is 9100900997. The next prime is 9100901059. The reversal of 9100901000 is 1090019.

It can be written as a sum of positive squares in 4 ways, for example, as 4973352484 + 4127548516 = 70522^2 + 64246^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4549451 + ... + 4551450.

Almost surely, 2^9100901000 is an apocalyptic number.

It is an amenable number.

9100901000 is an abundant number, since it is smaller than the sum of its proper divisors (12195209680).

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

9100901000 is a wasteful number, since it uses less digits than its factorization.

9100901000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100922 (or 9100908 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 9100901000 is about 95398.6425479944. The cubic root of 9100901000 is about 2087.8283800998.

Adding to 9100901000 its reverse (1090019), we get a palindrome (9101991019).

The spelling of 9100901000 in words is "nine billion, one hundred million, nine hundred one thousand".