242040410497 has 4 divisors (see below), whose sum is σ = 243377650516. Its totient is φ = 240703170480.

The previous prime is 242040410489. The next prime is 242040410531. The reversal of 242040410497 is 794014040242.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2683654416 + 239356756081 = 51804^2 + 489241^2 .

It is a cyclic number.

It is not a de Polignac number, because 242040410497 - 2³ = 242040410489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242040440497) 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, 668619738 + ... + 668620099.

It is an arithmetic number, because the mean of its divisors is an integer number (60844412629).

Almost surely, 2^242040410497 is an apocalyptic number.

It is an amenable number.

242040410497 is a deficient number, since it is larger than the sum of its proper divisors (1337240019).

242040410497 is a wasteful number, since it uses less digits than its factorization.

242040410497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337240018.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 242040410497 in words is "two hundred forty-two billion, forty million, four hundred ten thousand, four hundred ninety-seven".