2436243357409 has 3 divisors (see below), whose sum is σ = 2436244918257. Its totient is φ = 2436241796562.

The previous prime is 2436243357403. The next prime is 2436243357433. The reversal of 2436243357409 is 9047533426342.

The square root of 2436243357409 is 1560847.

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 2436243357409 - 2¹⁷ = 2436243226337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2436243357403) 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, 780424 + ... + 2341270.

It is an arithmetic number, because the mean of its divisors is an integer number (812081639419).

Almost surely, 2^{2436243357409} is an apocalyptic number.

2436243357409 is the 1560847-th square number.

2436243357409 is the 780424-th centered octagonal number.

It is an amenable number.

2436243357409 is a deficient number, since it is larger than the sum of its proper divisors (1560848).

2436243357409 is an frugal number, since it uses more digits than its factorization.

2436243357409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121694 (or 1560847 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 52.

The spelling of 2436243357409 in words is "two trillion, four hundred thirty-six billion, two hundred forty-three million, three hundred fifty-seven thousand, four hundred nine".