1600217410009 has 3 divisors (see below), whose sum is σ = 1600218675007. Its totient is φ = 1600216145012.

The previous prime is 1600217410003. The next prime is 1600217410019. The reversal of 1600217410009 is 9000147120061.

The square root of 1600217410009 is 1264997.

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., 212599377225 + 1387618032784 = 461085^2 + 1177972^2 .

It is not a de Polignac number, because 1600217410009 - 2²⁵ = 1600183855577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1600217410003) 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, 632499 + ... + 1897495.

Almost surely, 2^{1600217410009} is an apocalyptic number.

1600217410009 is the 1264997-th square number.

1600217410009 is the 632499-th centered octagonal number.

It is an amenable number.

1600217410009 is a deficient number, since it is larger than the sum of its proper divisors (1264998).

1600217410009 is an frugal number, since it uses more digits than its factorization.

1600217410009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2529994 (or 1264997 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 1600217410009 in words is "one trillion, six hundred billion, two hundred seventeen million, four hundred ten thousand, nine".