606421621135 has 24 divisors (see below), whose sum is σ = 810832382640. Its totient is φ = 434992314240.

The previous prime is 606421621129. The next prime is 606421621159. The reversal of 606421621135 is 531126124606.

606421621135 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 606421621135 - 2²⁹ = 605884750223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 606421621094 and 606421621103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6821245 + ... + 6909574.

It is an arithmetic number, because the mean of its divisors is an integer number (33784682610).

Almost surely, 2^606421621135 is an apocalyptic number.

606421621135 is a deficient number, since it is larger than the sum of its proper divisors (204410761505).

606421621135 is a wasteful number, since it uses less digits than its factorization.

606421621135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13730919 (or 13730908 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 606421621135 in words is "six hundred six billion, four hundred twenty-one million, six hundred twenty-one thousand, one hundred thirty-five".