242634430165 has 4 divisors (see below), whose sum is σ = 291161316204. Its totient is φ = 194107544128.

The previous prime is 242634430139. The next prime is 242634430187. The reversal of 242634430165 is 561034436242.

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 134946757201 + 107687672964 = 367351^2 + 328158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242634430165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24263443012 + ... + 24263443021.

It is an arithmetic number, because the mean of its divisors is an integer number (72790329051).

Almost surely, 2^242634430165 is an apocalyptic number.

It is an amenable number.

242634430165 is a deficient number, since it is larger than the sum of its proper divisors (48526886039).

242634430165 is an equidigital number, since it uses as much as digits as its factorization.

242634430165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48526886038.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 242634430165 in words is "two hundred forty-two billion, six hundred thirty-four million, four hundred thirty thousand, one hundred sixty-five".