9729199950387 has 8 divisors (see below), whose sum is σ = 13028914053840. Its totient is φ = 6457809573600.

The previous prime is 9729199950343. The next prime is 9729199950391. The reversal of 9729199950387 is 7830599919279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9729199950387 - 2⁸ = 9729199950131 is a prime.

It is a super-2 number, since 2×9729199950387² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9729199950317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7080930864 + ... + 7080932237.

It is an arithmetic number, because the mean of its divisors is an integer number (1628614256730).

Almost surely, 2^{9729199950387} is an apocalyptic number.

9729199950387 is a deficient number, since it is larger than the sum of its proper divisors (3299714103453).

9729199950387 is a wasteful number, since it uses less digits than its factorization.

9729199950387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14161863333.

The product of its (nonzero) digits is 694416240, while the sum is 78.

The spelling of 9729199950387 in words is "nine trillion, seven hundred twenty-nine billion, one hundred ninety-nine million, nine hundred fifty thousand, three hundred eighty-seven".