605509893428 has 48 divisors (see below), whose sum is σ = 1165419154368. Its totient is φ = 272986272000.

The previous prime is 605509893419. The next prime is 605509893449. The reversal of 605509893428 is 824398905506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7015898 + ... + 7101678.

It is an arithmetic number, because the mean of its divisors is an integer number (24279565716).

Almost surely, 2^605509893428 is an apocalyptic number.

It is an amenable number.

605509893428 is a deficient number, since it is larger than the sum of its proper divisors (559909260940).

605509893428 is a wasteful number, since it uses less digits than its factorization.

605509893428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87104 (or 87102 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 605509893428 in words is "six hundred five billion, five hundred nine million, eight hundred ninety-three thousand, four hundred twenty-eight".