43136510972 has 12 divisors (see below), whose sum is σ = 75504030000. Its totient is φ = 21563930976.

The previous prime is 43136510953. The next prime is 43136510983. The reversal of 43136510972 is 27901563134.

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 3 ways as a sum of consecutive naturals, for example, 1058633 + ... + 1098624.

It is an arithmetic number, because the mean of its divisors is an integer number (6292002500).

Almost surely, 2^43136510972 is an apocalyptic number.

It is an amenable number.

43136510972 is a deficient number, since it is larger than the sum of its proper divisors (32367519028).

43136510972 is a wasteful number, since it uses less digits than its factorization.

43136510972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162260 (or 2162258 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 43136510972 in words is "forty-three billion, one hundred thirty-six million, five hundred ten thousand, nine hundred seventy-two".