1075931900809 has 8 divisors (see below), whose sum is σ = 1088723565000. Its totient is φ = 1063155848832.

The previous prime is 1075931900717. The next prime is 1075931900819. The reversal of 1075931900809 is 9080091395701.

It is a happy number.

1075931900809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57134384784 + 1018797516025 = 239028^2 + 1009355^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1075931900809 - 2²⁹ = 1075395029897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1075931900819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764374 + ... + 4040095.

It is an arithmetic number, because the mean of its divisors is an integer number (136090445625).

Almost surely, 2^{1075931900809} is an apocalyptic number.

It is an amenable number.

1075931900809 is a deficient number, since it is larger than the sum of its proper divisors (12791664191).

1075931900809 is an equidigital number, since it uses as much as digits as its factorization.

1075931900809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806107.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 1075931900809 in words is "one trillion, seventy-five billion, nine hundred thirty-one million, nine hundred thousand, eight hundred nine".