2404369663609 has 3 divisors (see below), whose sum is σ = 2404371214213. Its totient is φ = 2404368113006.

The previous prime is 2404369663571. The next prime is 2404369663621. The reversal of 2404369663609 is 9063669634042.

The square root of 2404369663609 is 1550603.

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 is not a de Polignac number, because 2404369663609 - 2¹³ = 2404369655417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2404369661609) 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, 775302 + ... + 2325904.

Almost surely, 2^{2404369663609} is an apocalyptic number.

2404369663609 is the 1550603-rd square number.

2404369663609 is the 775302-nd centered octagonal number.

It is an amenable number.

2404369663609 is a deficient number, since it is larger than the sum of its proper divisors (1550604).

2404369663609 is an frugal number, since it uses more digits than its factorization.

2404369663609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101206 (or 1550603 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 58.

The spelling of 2404369663609 in words is "two trillion, four hundred four billion, three hundred sixty-nine million, six hundred sixty-three thousand, six hundred nine".