42527641652 has 6 divisors (see below), whose sum is σ = 74423372898. Its totient is φ = 21263820824.

The previous prime is 42527641589. The next prime is 42527641669. The reversal of 42527641652 is 25614672524.

It can be written as a sum of positive squares in only one way, i.e., 27703605136 + 14824036516 = 166444^2 + 121754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315955203 + ... + 5315955210.

It is an arithmetic number, because the mean of its divisors is an integer number (12403895483).

Almost surely, 2^42527641652 is an apocalyptic number.

It is an amenable number.

42527641652 is a deficient number, since it is larger than the sum of its proper divisors (31895731246).

42527641652 is a wasteful number, since it uses less digits than its factorization.

42527641652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631910417 (or 10631910415 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The spelling of 42527641652 in words is "forty-two billion, five hundred twenty-seven million, six hundred forty-one thousand, six hundred fifty-two".