242368621449 has 4 divisors (see below), whose sum is σ = 323158161936. Its totient is φ = 161579080964.

The previous prime is 242368621403. The next prime is 242368621493. The reversal of 242368621449 is 944126863242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242368621449 - 2²³ = 242360232841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242368621049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40394770239 + ... + 40394770244.

It is an arithmetic number, because the mean of its divisors is an integer number (80789540484).

Almost surely, 2^242368621449 is an apocalyptic number.

It is an amenable number.

242368621449 is a deficient number, since it is larger than the sum of its proper divisors (80789540487).

242368621449 is an equidigital number, since it uses as much as digits as its factorization.

242368621449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80789540486.

The product of its digits is 3981312, while the sum is 51.

The spelling of 242368621449 in words is "two hundred forty-two billion, three hundred sixty-eight million, six hundred twenty-one thousand, four hundred forty-nine".