729638242350 has 48 divisors (see below), whose sum is σ = 1810141719408. Its totient is φ = 194501501440.

The previous prime is 729638242349. The next prime is 729638242427. The reversal of 729638242350 is 53242836927.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 729638242293 and 729638242302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431739 + ... + 1282838.

It is an arithmetic number, because the mean of its divisors is an integer number (37711285821).

Almost surely, 2^729638242350 is an apocalyptic number.

729638242350 is an abundant number, since it is smaller than the sum of its proper divisors (1080503477058).

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

729638242350 is a wasteful number, since it uses less digits than its factorization.

729638242350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717429 (or 1717424 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 729638242350 in words is "seven hundred twenty-nine billion, six hundred thirty-eight million, two hundred forty-two thousand, three hundred fifty".