43729009473 has 16 divisors (see below), whose sum is σ = 58400496000. Its totient is φ = 29105139840.

The previous prime is 43729009469. The next prime is 43729009481. The reversal of 43729009473 is 37490092734.

It is not a de Polignac number, because 43729009473 - 2² = 43729009469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43729009483) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5758363 + ... + 5765951.

It is an arithmetic number, because the mean of its divisors is an integer number (3650031000).

Almost surely, 2^43729009473 is an apocalyptic number.

It is an amenable number.

43729009473 is a deficient number, since it is larger than the sum of its proper divisors (14671486527).

43729009473 is a wasteful number, since it uses less digits than its factorization.

43729009473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472.

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 43729009473 in words is "forty-three billion, seven hundred twenty-nine million, nine thousand, four hundred seventy-three".