15728714471 has 2 divisors, whose sum is σ = 15728714472. Its totient is φ = 15728714470.

The previous prime is 15728714461. The next prime is 15728714489. The reversal of 15728714471 is 17441782751.

It is a weak prime.

It is an emirp because it is prime and its reverse (17441782751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15728714471 - 2¹⁴ = 15728698087 is a prime.

It is a super-3 number, since 3×15728714471³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15728714411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7864357235 + 7864357236.

It is an arithmetic number, because the mean of its divisors is an integer number (7864357236).

Almost surely, 2^15728714471 is an apocalyptic number.

15728714471 is a deficient number, since it is larger than the sum of its proper divisors (1).

15728714471 is an equidigital number, since it uses as much as digits as its factorization.

15728714471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 439040, while the sum is 47.

The spelling of 15728714471 in words is "fifteen billion, seven hundred twenty-eight million, seven hundred fourteen thousand, four hundred seventy-one".