10415807386609 has 3 divisors (see below), whose sum is σ = 10415810613963. Its totient is φ = 10415804159256.

The previous prime is 10415807386571. The next prime is 10415807386619. The reversal of 10415807386609 is 90668370851401.

The square root of 10415807386609 is 3227353.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7685619567025 + 2730187819584 = 2772295^2 + 1652328^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10415807386609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10415807386619) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1613677 + ... + 4841029.

It is an arithmetic number, because the mean of its divisors is an integer number (3471936871321).

Almost surely, 2^{10415807386609} is an apocalyptic number.

10415807386609 is the 3227353-rd square number.

10415807386609 is the 1613677-th centered octagonal number.

It is an amenable number.

10415807386609 is a deficient number, since it is larger than the sum of its proper divisors (3227354).

10415807386609 is an frugal number, since it uses more digits than its factorization.

10415807386609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454706 (or 3227353 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 10415807386609 in words is "ten trillion, four hundred fifteen billion, eight hundred seven million, three hundred eighty-six thousand, six hundred nine".