238859458673 has 12 divisors (see below), whose sum is σ = 263132799300. Its totient is φ = 216661294080.

The previous prime is 238859458657. The next prime is 238859458697. The reversal of 238859458673 is 376854958832.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47691134689 + 191168323984 = 218383^2 + 437228^2 .

It is not a de Polignac number, because 238859458673 - 2⁴ = 238859458657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238859455673) 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, 2143940 + ... + 2252597.

It is an arithmetic number, because the mean of its divisors is an integer number (21927733275).

Almost surely, 2^238859458673 is an apocalyptic number.

It is an amenable number.

238859458673 is a deficient number, since it is larger than the sum of its proper divisors (24273340627).

238859458673 is a wasteful number, since it uses less digits than its factorization.

238859458673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397008 (or 4396997 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 68.

The spelling of 238859458673 in words is "two hundred thirty-eight billion, eight hundred fifty-nine million, four hundred fifty-eight thousand, six hundred seventy-three".