238407425389 has 48 divisors (see below), whose sum is σ = 297961435200. Its totient is φ = 189619315200.

The previous prime is 238407425371. The next prime is 238407425423. The reversal of 238407425389 is 983524704832.

238407425389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238407425389 - 2¹⁵ = 238407392621 is a prime.

It is a super-2 number, since 2×238407425389² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238407425309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13677922 + ... + 13695340.

It is an arithmetic number, because the mean of its divisors is an integer number (6207529900).

Almost surely, 2^238407425389 is an apocalyptic number.

It is an amenable number.

238407425389 is a deficient number, since it is larger than the sum of its proper divisors (59554009811).

238407425389 is a wasteful number, since it uses less digits than its factorization.

238407425389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17754 (or 17747 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 238407425389 in words is "two hundred thirty-eight billion, four hundred seven million, four hundred twenty-five thousand, three hundred eighty-nine".