729364552638 has 32 divisors (see below), whose sum is σ = 1566290753280. Its totient is φ = 225597429120.

The previous prime is 729364552607. The next prime is 729364552643. The reversal of 729364552638 is 836255463927.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50349328 + ... + 50363811.

It is an arithmetic number, because the mean of its divisors is an integer number (48946586040).

Almost surely, 2^729364552638 is an apocalyptic number.

729364552638 is an abundant number, since it is smaller than the sum of its proper divisors (836926200642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729364552638 is a wasteful number, since it uses less digits than its factorization.

729364552638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100713232.

The product of its digits is 65318400, while the sum is 60.

The spelling of 729364552638 in words is "seven hundred twenty-nine billion, three hundred sixty-four million, five hundred fifty-two thousand, six hundred thirty-eight".