238949512705 has 4 divisors (see below), whose sum is σ = 286739415252. Its totient is φ = 191159610160.

The previous prime is 238949512693. The next prime is 238949512723. The reversal of 238949512705 is 507215949832.

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 39362163201 + 199587349504 = 198399^2 + 446752^2 .

It is not a de Polignac number, because 238949512705 - 2¹⁷ = 238949381633 is a prime.

It is a Duffinian 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, 23894951266 + ... + 23894951275.

It is an arithmetic number, because the mean of its divisors is an integer number (71684853813).

Almost surely, 2^238949512705 is an apocalyptic number.

It is an amenable number.

238949512705 is a deficient number, since it is larger than the sum of its proper divisors (47789902547).

238949512705 is an equidigital number, since it uses as much as digits as its factorization.

238949512705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47789902546.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 238949512705 in words is "two hundred thirty-eight billion, nine hundred forty-nine million, five hundred twelve thousand, seven hundred five".