242680532399 has 4 divisors (see below), whose sum is σ = 242684023464. Its totient is φ = 242677041336.

The previous prime is 242680532377. The next prime is 242680532441. The reversal of 242680532399 is 993235086242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242680532399 - 2³⁶ = 173961055663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242680532399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242680532309) 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, 1639097 + ... + 1781010.

It is an arithmetic number, because the mean of its divisors is an integer number (60671005866).

Almost surely, 2^242680532399 is an apocalyptic number.

242680532399 is a deficient number, since it is larger than the sum of its proper divisors (3491065).

242680532399 is an equidigital number, since it uses as much as digits as its factorization.

242680532399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491064.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 242680532399 in words is "two hundred forty-two billion, six hundred eighty million, five hundred thirty-two thousand, three hundred ninety-nine".