9099190901 has 4 divisors (see below), whose sum is σ = 9101287500. Its totient is φ = 9097094304.

The previous prime is 9099190889. The next prime is 9099190907. The reversal of 9099190901 is 1090919909.

9099190901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1090919909 = 97 ⋅11246597.

It can be written as a sum of positive squares in 2 ways, for example, as 4603622500 + 4495568401 = 67850^2 + 67049^2 .

It is a cyclic number.

It is not a de Polignac number, because 9099190901 - 2¹⁴ = 9099174517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9099190907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1041776 + ... + 1050473.

It is an arithmetic number, because the mean of its divisors is an integer number (2275321875).

Almost surely, 2^9099190901 is an apocalyptic number.

It is an amenable number.

9099190901 is a deficient number, since it is larger than the sum of its proper divisors (2096599).

9099190901 is a wasteful number, since it uses less digits than its factorization.

9099190901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096598.

The product of its (nonzero) digits is 59049, while the sum is 47.

The square root of 9099190901 is about 95389.6792163597. The cubic root of 9099190901 is about 2087.6976012212.

The spelling of 9099190901 in words is "nine billion, ninety-nine million, one hundred ninety thousand, nine hundred one".