238459000511 has 2 divisors, whose sum is σ = 238459000512. Its totient is φ = 238459000510.

The previous prime is 238459000501. The next prime is 238459000601. The reversal of 238459000511 is 115000954832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238459000511 - 2¹⁸ = 238458738367 is a prime.

It is a super-2 number, since 2×238459000511² (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 (238459000501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119229500255 + 119229500256.

It is an arithmetic number, because the mean of its divisors is an integer number (119229500256).

Almost surely, 2^238459000511 is an apocalyptic number.

238459000511 is a deficient number, since it is larger than the sum of its proper divisors (1).

238459000511 is an equidigital number, since it uses as much as digits as its factorization.

238459000511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 238459000511 in words is "two hundred thirty-eight billion, four hundred fifty-nine million, five hundred eleven", and thus it is an aban number.