9091819091001 has 32 divisors (see below), whose sum is σ = 12597942878208. Its totient is φ = 5828449651200.

The previous prime is 9091819090961. The next prime is 9091819091011. The reversal of 9091819091001 is 1001909181909.

It is a happy number.

It is not a de Polignac number, because 9091819091001 - 2¹³ = 9091819082809 is a prime.

It is a super-2 number, since 2×9091819091001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9091819091011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2361801 + ... + 4874601.

It is an arithmetic number, because the mean of its divisors is an integer number (393685714944).

Almost surely, 2^{9091819091001} is an apocalyptic number.

It is an amenable number.

9091819091001 is a deficient number, since it is larger than the sum of its proper divisors (3506123787207).

9091819091001 is a wasteful number, since it uses less digits than its factorization.

9091819091001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513301.

The product of its (nonzero) digits is 52488, while the sum is 48.

The spelling of 9091819091001 in words is "nine trillion, ninety-one billion, eight hundred nineteen million, ninety-one thousand, one".