1011004443709 has 4 divisors (see below), whose sum is σ = 1088774016316. Its totient is φ = 933234871104.

The previous prime is 1011004443703. The next prime is 1011004443791. The reversal of 1011004443709 is 9073444001101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 694938976900 + 316065466809 = 833630^2 + 562197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011004443709 - 2⁵ = 1011004443677 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 (1011004443703) 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, 38884786284 + ... + 38884786309.

It is an arithmetic number, because the mean of its divisors is an integer number (272193504079).

Almost surely, 2^{1011004443709} is an apocalyptic number.

It is an amenable number.

1011004443709 is a deficient number, since it is larger than the sum of its proper divisors (77769572607).

1011004443709 is an equidigital number, since it uses as much as digits as its factorization.

1011004443709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77769572606.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 1011004443709 in words is "one trillion, eleven billion, four million, four hundred forty-three thousand, seven hundred nine".