238350955381 has 32 divisors (see below), whose sum is σ = 311690022912. Its totient is φ = 176863383360.

The previous prime is 238350955321. The next prime is 238350955387. The reversal of 238350955381 is 183559053832.

It is a cyclic number.

It is not a de Polignac number, because 238350955381 - 2¹³ = 238350947189 is a prime.

It is a super-2 number, since 2×238350955381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238350955387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 756111 + ... + 1023916.

It is an arithmetic number, because the mean of its divisors is an integer number (9740313216).

Almost surely, 2^238350955381 is an apocalyptic number.

It is an amenable number.

238350955381 is a deficient number, since it is larger than the sum of its proper divisors (73339067531).

238350955381 is a wasteful number, since it uses less digits than its factorization.

238350955381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780129.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 238350955381 in words is "two hundred thirty-eight billion, three hundred fifty million, nine hundred fifty-five thousand, three hundred eighty-one".