14931924809 has 2 divisors, whose sum is σ = 14931924810. Its totient is φ = 14931924808.

The previous prime is 14931924779. The next prime is 14931924817. The reversal of 14931924809 is 90842913941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14593364809 + 338560000 = 120803^2 + 18400^2 .

It is a cyclic number.

It is not a de Polignac number, because 14931924809 - 2¹⁶ = 14931859273 is a prime.

It is not a weakly prime, because it can be changed into another prime (14931924899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7465962404 + 7465962405.

It is an arithmetic number, because the mean of its divisors is an integer number (7465962405).

Almost surely, 2^14931924809 is an apocalyptic number.

It is an amenable number.

14931924809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14931924809 is an equidigital number, since it uses as much as digits as its factorization.

14931924809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 14931924809 in words is "fourteen billion, nine hundred thirty-one million, nine hundred twenty-four thousand, eight hundred nine".