15714471889 has 8 divisors (see below), whose sum is σ = 16356087360. Its totient is φ = 15079505616.

The previous prime is 15714471853. The next prime is 15714471893. The reversal of 15714471889 is 98817441751.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 15714471889 - 2³¹ = 13566988241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15814471889) 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, 1657477 + ... + 1666930.

It is an arithmetic number, because the mean of its divisors is an integer number (2044510920).

Almost surely, 2^15714471889 is an apocalyptic number.

It is an amenable number.

15714471889 is a deficient number, since it is larger than the sum of its proper divisors (641615471).

15714471889 is a wasteful number, since it uses less digits than its factorization.

15714471889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324599.

The product of its digits is 2257920, while the sum is 55.

The spelling of 15714471889 in words is "fifteen billion, seven hundred fourteen million, four hundred seventy-one thousand, eight hundred eighty-nine".