238267264369 has 2 divisors, whose sum is σ = 238267264370. Its totient is φ = 238267264368.

The previous prime is 238267264321. The next prime is 238267264379. The reversal of 238267264369 is 963462762832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199581095025 + 38686169344 = 446745^2 + 196688^2 .

It is a cyclic number.

It is not a de Polignac number, because 238267264369 - 2⁷ = 238267264241 is a prime.

It is a super-2 number, since 2×238267264369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238267264309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119133632184 + 119133632185.

It is an arithmetic number, because the mean of its divisors is an integer number (119133632185).

Almost surely, 2^238267264369 is an apocalyptic number.

It is an amenable number.

238267264369 is a deficient number, since it is larger than the sum of its proper divisors (1).

238267264369 is an equidigital number, since it uses as much as digits as its factorization.

238267264369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 58.

The spelling of 238267264369 in words is "two hundred thirty-eight billion, two hundred sixty-seven million, two hundred sixty-four thousand, three hundred sixty-nine".