905605145716 has 12 divisors (see below), whose sum is σ = 1595445308100. Its totient is φ = 449763629120.

The previous prime is 905605145689. The next prime is 905605145719. The reversal of 905605145716 is 617541506509.

905605145716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 579952310116 + 325652835600 = 761546^2 + 570660^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 905605145716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905605145719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759735265 + ... + 759736456.

It is an arithmetic number, because the mean of its divisors is an integer number (132953775675).

Almost surely, 2^905605145716 is an apocalyptic number.

It is an amenable number.

905605145716 is a deficient number, since it is larger than the sum of its proper divisors (689840162384).

905605145716 is a wasteful number, since it uses less digits than its factorization.

905605145716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519471874 (or 1519471872 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 905605145716 in words is "nine hundred five billion, six hundred five million, one hundred forty-five thousand, seven hundred sixteen".