10393190809 has 9 divisors (see below), whose sum is σ = 10511443071. Its totient is φ = 10276257600.

The previous prime is 10393190791. The next prime is 10393190833. The reversal of 10393190809 is 90809139301.

The square root of 10393190809 is 101947.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4666939225 + 5726251584 = 68315^2 + 75672^2 .

It is not a de Polignac number, because 10393190809 - 2¹³ = 10393182617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10393190879) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9888334 + ... + 9889384.

It is an arithmetic number, because the mean of its divisors is an integer number (1167938119).

Almost surely, 2^10393190809 is an apocalyptic number.

10393190809 is the 101947-th square number.

10393190809 is the 50974-th centered octagonal number.

It is an amenable number.

10393190809 is a deficient number, since it is larger than the sum of its proper divisors (118252262).

10393190809 is an frugal number, since it uses more digits than its factorization.

10393190809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 10393190809 in words is "ten billion, three hundred ninety-three million, one hundred ninety thousand, eight hundred nine".