1090646289613 has 4 divisors (see below), whose sum is σ = 1090773963648. Its totient is φ = 1090518615580.

The previous prime is 1090646289611. The next prime is 1090646289673. The reversal of 1090646289613 is 3169826460901.

It is a happy number.

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 1090646289613 - 2¹ = 1090646289611 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 (1090646289611) 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, 63824203 + ... + 63841288.

It is an arithmetic number, because the mean of its divisors is an integer number (272693490912).

Almost surely, 2^{1090646289613} is an apocalyptic number.

It is an amenable number.

1090646289613 is a deficient number, since it is larger than the sum of its proper divisors (127674035).

1090646289613 is an equidigital number, since it uses as much as digits as its factorization.

1090646289613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127674034.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 1090646289613 in words is "one trillion, ninety billion, six hundred forty-six million, two hundred eighty-nine thousand, six hundred thirteen".