242173902719 has 8 divisors (see below), whose sum is σ = 281307391008. Its totient is φ = 204174718560.

The previous prime is 242173902689. The next prime is 242173902797. The reversal of 242173902719 is 917209371242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242173902719 - 2¹² = 242173898623 is a prime.

It is a super-2 number, since 2×242173902719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242173932719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283575572 + ... + 283576425.

It is an arithmetic number, because the mean of its divisors is an integer number (35163423876).

Almost surely, 2^242173902719 is an apocalyptic number.

242173902719 is a deficient number, since it is larger than the sum of its proper divisors (39133488289).

242173902719 is an equidigital number, since it uses as much as digits as its factorization.

242173902719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567152065.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 242173902719 in words is "two hundred forty-two billion, one hundred seventy-three million, nine hundred two thousand, seven hundred nineteen".