42646064505325 has 12 divisors (see below), whose sum is σ = 55991774104020. Its totient is φ = 32109977980160.

The previous prime is 42646064505299. The next prime is 42646064505353. The reversal of 42646064505325 is 52350546064624.

It can be written as a sum of positive squares in 6 ways, for example, as 2337419015044 + 40308645490281 = 1528862^2 + 6348909^2 .

It is not a de Polignac number, because 42646064505325 - 2¹¹ = 42646064503277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50171840170 + ... + 50171841019.

It is an arithmetic number, because the mean of its divisors is an integer number (4665981175335).

Almost surely, 2^{42646064505325} is an apocalyptic number.

It is an amenable number.

42646064505325 is a deficient number, since it is larger than the sum of its proper divisors (13345709598695).

42646064505325 is a wasteful number, since it uses less digits than its factorization.

42646064505325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100343681216 (or 100343681211 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 42646064505325 in words is "forty-two trillion, six hundred forty-six billion, sixty-four million, five hundred five thousand, three hundred twenty-five".