605425621505 has 16 divisors (see below), whose sum is σ = 764770918080. Its totient is φ = 458835233472.

The previous prime is 605425621487. The next prime is 605425621513. The reversal of 605425621505 is 505126524506.

It is a cyclic number.

It is not a de Polignac number, because 605425621505 - 2⁶ = 605425621441 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4071527 + ... + 4217603.

It is an arithmetic number, because the mean of its divisors is an integer number (47798182380).

Almost surely, 2^605425621505 is an apocalyptic number.

It is an amenable number.

605425621505 is a deficient number, since it is larger than the sum of its proper divisors (159345296575).

605425621505 is a wasteful number, since it uses less digits than its factorization.

605425621505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189728.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 605425621505 in words is "six hundred five billion, four hundred twenty-five million, six hundred twenty-one thousand, five hundred five".