238253326641 has 16 divisors (see below), whose sum is σ = 385055881920. Its totient is φ = 144395955360.

The previous prime is 238253326603. The next prime is 238253326669. The reversal of 238253326641 is 146623352832.

238253326641 is a `hidden beast` number, since 2 + 38 + 2 + 533 + 26 + 64 + 1 = 666.

It is not a de Polignac number, because 238253326641 - 2¹⁰ = 238253325617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238253326841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401099580 + ... + 401100173.

It is an arithmetic number, because the mean of its divisors is an integer number (24065992620).

Almost surely, 2^238253326641 is an apocalyptic number.

It is an amenable number.

238253326641 is a deficient number, since it is larger than the sum of its proper divisors (146802555279).

238253326641 is a wasteful number, since it uses less digits than its factorization.

238253326641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802199773 (or 802199767 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 238253326641 in words is "two hundred thirty-eight billion, two hundred fifty-three million, three hundred twenty-six thousand, six hundred forty-one".