729521904484 has 6 divisors (see below), whose sum is σ = 1276663332854. Its totient is φ = 364760952240.

The previous prime is 729521904457. The next prime is 729521904487. The reversal of 729521904484 is 484409125927.

It can be written as a sum of positive squares in only one way, i.e., 699110032384 + 30411872100 = 836128^2 + 174390^2 .

It is not an unprimeable number, because it can be changed into a prime (729521904487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91190238057 + ... + 91190238064.

Almost surely, 2^729521904484 is an apocalyptic number.

It is an amenable number.

729521904484 is a deficient number, since it is larger than the sum of its proper divisors (547141428370).

729521904484 is a wasteful number, since it uses less digits than its factorization.

729521904484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182380476125 (or 182380476123 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 729521904484 in words is "seven hundred twenty-nine billion, five hundred twenty-one million, nine hundred four thousand, four hundred eighty-four".