242234351497 has 4 divisors (see below), whose sum is σ = 244083468816. Its totient is φ = 240385234180.

The previous prime is 242234351479. The next prime is 242234351519. The reversal of 242234351497 is 794153432242.

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 a de Polignac number, because none of the positive numbers 2^k-242234351497 is a prime.

It is a super-2 number, since 2×242234351497² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242234351417) 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, 924558463 + ... + 924558724.

It is an arithmetic number, because the mean of its divisors is an integer number (61020867204).

Almost surely, 2^242234351497 is an apocalyptic number.

It is an amenable number.

242234351497 is a deficient number, since it is larger than the sum of its proper divisors (1849117319).

242234351497 is a wasteful number, since it uses less digits than its factorization.

242234351497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849117318.

The product of its digits is 1451520, while the sum is 46.

The spelling of 242234351497 in words is "two hundred forty-two billion, two hundred thirty-four million, three hundred fifty-one thousand, four hundred ninety-seven".