15680983247 has 16 divisors (see below), whose sum is σ = 16421771520. Its totient is φ = 14961452352.

The previous prime is 15680983229. The next prime is 15680983273. The reversal of 15680983247 is 74238908651.

It is a cyclic number.

It is not a de Polignac number, because 15680983247 - 2⁶ = 15680983183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15680983547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292958 + ... + 342324.

It is an arithmetic number, because the mean of its divisors is an integer number (1026360720).

It is a 1-persistent number, because it is pandigital, but 2⋅15680983247 = 31361966494 is not.

Almost surely, 2^15680983247 is an apocalyptic number.

15680983247 is a deficient number, since it is larger than the sum of its proper divisors (740788273).

15680983247 is an equidigital number, since it uses as much as digits as its factorization.

15680983247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49582.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 15680983247 in words is "fifteen billion, six hundred eighty million, nine hundred eighty-three thousand, two hundred forty-seven".