1090476190109 has 4 divisors (see below), whose sum is σ = 1105835009760. Its totient is φ = 1075117370460.

The previous prime is 1090476190081. The next prime is 1090476190117. The reversal of 1090476190109 is 9010916740901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1090476190109 - 2²⁰ = 1090475141533 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 (1090476190189) 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, 7679409719 + ... + 7679409860.

It is an arithmetic number, because the mean of its divisors is an integer number (276458752440).

Almost surely, 2^{1090476190109} is an apocalyptic number.

It is an amenable number.

1090476190109 is a deficient number, since it is larger than the sum of its proper divisors (15358819651).

1090476190109 is an equidigital number, since it uses as much as digits as its factorization.

1090476190109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15358819650.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 1090476190109 in words is "one trillion, ninety billion, four hundred seventy-six million, one hundred ninety thousand, one hundred nine".