15329730393971 has 8 divisors (see below), whose sum is σ = 17568493251840. Its totient is φ = 13103167879368.

The previous prime is 15329730393961. The next prime is 15329730393973. The reversal of 15329730393971 is 17939303792351.

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

It is not a de Polignac number, because 15329730393971 - 2³⁰ = 15328656652147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15329730393973) 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, 3050083121 + ... + 3050088146.

It is an arithmetic number, because the mean of its divisors is an integer number (2196061656480).

Almost surely, 2^{15329730393971} is an apocalyptic number.

15329730393971 is a deficient number, since it is larger than the sum of its proper divisors (2238762857869).

15329730393971 is an equidigital number, since it uses as much as digits as its factorization.

15329730393971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100171633.

The product of its (nonzero) digits is 28934010, while the sum is 62.

The spelling of 15329730393971 in words is "fifteen trillion, three hundred twenty-nine billion, seven hundred thirty million, three hundred ninety-three thousand, nine hundred seventy-one".