605189742438 has 32 divisors (see below), whose sum is σ = 1282985256960. Its totient is φ = 189655007360.

The previous prime is 605189742389. The next prime is 605189742449. The reversal of 605189742438 is 834247981506.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163518 + ... + 3349361.

It is an arithmetic number, because the mean of its divisors is an integer number (40093289280).

It is a 1-persistent number, because it is pandigital, but 2⋅605189742438 = 1210379484876 is not.

Almost surely, 2^605189742438 is an apocalyptic number.

605189742438 is an abundant number, since it is smaller than the sum of its proper divisors (677795514522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605189742438 is a wasteful number, since it uses less digits than its factorization.

605189742438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513812.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 605189742438 in words is "six hundred five billion, one hundred eighty-nine million, seven hundred forty-two thousand, four hundred thirty-eight".