42965528525 has 6 divisors (see below), whose sum is σ = 53277255402. Its totient is φ = 34372422800.

The previous prime is 42965528509. The next prime is 42965528531. The reversal of 42965528525 is 52582556924.

It can be written as a sum of positive squares in 3 ways, for example, as 8113865929 + 34851662596 = 90077^2 + 186686^2 .

It is not a de Polignac number, because 42965528525 - 2⁴ = 42965528509 is a prime.

It is a Duffinian number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 859310546 + ... + 859310595.

It is an arithmetic number, because the mean of its divisors is an integer number (8879542567).

Almost surely, 2^42965528525 is an apocalyptic number.

It is an amenable number.

42965528525 is a deficient number, since it is larger than the sum of its proper divisors (10311726877).

42965528525 is a wasteful number, since it uses less digits than its factorization.

42965528525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718621151 (or 1718621146 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 53.

The spelling of 42965528525 in words is "forty-two billion, nine hundred sixty-five million, five hundred twenty-eight thousand, five hundred twenty-five".