605402121342 has 16 divisors (see below), whose sum is σ = 1211086073232. Its totient is φ = 201753735360.

The previous prime is 605402121323. The next prime is 605402121367. The reversal of 605402121342 is 243121204506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11715009 + ... + 11766572.

It is an arithmetic number, because the mean of its divisors is an integer number (75692879577).

Almost surely, 2^605402121342 is an apocalyptic number.

605402121342 is an abundant number, since it is smaller than the sum of its proper divisors (605683951890).

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

605402121342 is a wasteful number, since it uses less digits than its factorization.

605402121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23485883.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 605402121342 its reverse (243121204506), we get a palindrome (848523325848).

The spelling of 605402121342 in words is "six hundred five billion, four hundred two million, one hundred twenty-one thousand, three hundred forty-two".