238333862381 has 2 divisors, whose sum is σ = 238333862382. Its totient is φ = 238333862380.

The previous prime is 238333862359. The next prime is 238333862387. The reversal of 238333862381 is 183268333832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141804964900 + 96528897481 = 376570^2 + 310691^2 .

It is a cyclic number.

It is not a de Polignac number, because 238333862381 - 2³⁰ = 237260120557 is a prime.

It is a super-2 number, since 2×238333862381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238333862387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119166931190 + 119166931191.

It is an arithmetic number, because the mean of its divisors is an integer number (119166931191).

Almost surely, 2^238333862381 is an apocalyptic number.

It is an amenable number.

238333862381 is a deficient number, since it is larger than the sum of its proper divisors (1).

238333862381 is an equidigital number, since it uses as much as digits as its factorization.

238333862381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 50.

The spelling of 238333862381 in words is "two hundred thirty-eight billion, three hundred thirty-three million, eight hundred sixty-two thousand, three hundred eighty-one".