9090919102 has 8 divisors (see below), whose sum is σ = 13637275776. Its totient is φ = 4545160512.

The previous prime is 9090919093. The next prime is 9090919109. The reversal of 9090919102 is 2019190909.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090919109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109363 + ... + 173614.

It is an arithmetic number, because the mean of its divisors is an integer number (1704659472).

Almost surely, 2^9090919102 is an apocalyptic number.

9090919102 is a deficient number, since it is larger than the sum of its proper divisors (4546356674).

9090919102 is a wasteful number, since it uses less digits than its factorization.

9090919102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299042.

The product of its (nonzero) digits is 13122, while the sum is 40.

The square root of 9090919102 is about 95346.3114231484. The cubic root of 9090919102 is about 2087.0647885285.

It can be divided in two parts, 90909 and 19102, that added together give a palindrome (110011).

The spelling of 9090919102 in words is "nine billion, ninety million, nine hundred nineteen thousand, one hundred two".