41686531972 has 6 divisors (see below), whose sum is σ = 72951430958. Its totient is φ = 20843265984.

The previous prime is 41686531969. The next prime is 41686532047. The reversal of 41686531972 is 27913568614.

It can be written as a sum of positive squares in only one way, i.e., 33453873216 + 8232658756 = 182904^2 + 90734^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210816493 + ... + 5210816500.

Almost surely, 2^41686531972 is an apocalyptic number.

It is an amenable number.

41686531972 is a deficient number, since it is larger than the sum of its proper divisors (31264898986).

41686531972 is a wasteful number, since it uses less digits than its factorization.

41686531972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421632997 (or 10421632995 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The spelling of 41686531972 in words is "forty-one billion, six hundred eighty-six million, five hundred thirty-one thousand, nine hundred seventy-two".