238238609769 has 12 divisors (see below), whose sum is σ = 346233619056. Its totient is φ = 157851347832.

The previous prime is 238238609761. The next prime is 238238609789. The reversal of 238238609769 is 967906832832.

It is not a de Polignac number, because 238238609769 - 2³ = 238238609761 is a prime.

It is a super-2 number, since 2×238238609769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238238609761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81197787 + ... + 81200720.

It is an arithmetic number, because the mean of its divisors is an integer number (28852801588).

Almost surely, 2^238238609769 is an apocalyptic number.

It is an amenable number.

238238609769 is a deficient number, since it is larger than the sum of its proper divisors (107995009287).

238238609769 is a wasteful number, since it uses less digits than its factorization.

238238609769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162398676 (or 162398673 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 238238609769 in words is "two hundred thirty-eight billion, two hundred thirty-eight million, six hundred nine thousand, seven hundred sixty-nine".