43042661346325 has 24 divisors (see below), whose sum is σ = 53926669041480. Its totient is φ = 34077179136000.

The previous prime is 43042661346317. The next prime is 43042661346331. The reversal of 43042661346325 is 52364316624034.

It can be written as a sum of positive squares in 12 ways, for example, as 5386753199844 + 37655908146481 = 2320938^2 + 6136441^2 .

It is not a de Polignac number, because 43042661346325 - 2³ = 43042661346317 is a prime.

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, 1372297 + ... + 9379153.

It is an arithmetic number, because the mean of its divisors is an integer number (2246944543395).

Almost surely, 2^{43042661346325} is an apocalyptic number.

It is an amenable number.

43042661346325 is a deficient number, since it is larger than the sum of its proper divisors (10884007695155).

43042661346325 is a wasteful number, since it uses less digits than its factorization.

43042661346325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009097 (or 8009092 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 43042661346325 in words is "forty-three trillion, forty-two billion, six hundred sixty-one million, three hundred forty-six thousand, three hundred twenty-five".