14820975847 has 2 divisors, whose sum is σ = 14820975848. Its totient is φ = 14820975846.

The previous prime is 14820975833. The next prime is 14820975863. The reversal of 14820975847 is 74857902841.

It is a weak prime.

It is an emirp because it is prime and its reverse (74857902841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14820975847 - 2¹⁹ = 14820451559 is a prime.

It is a super-2 number, since 2×14820975847² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14820975047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7410487923 + 7410487924.

It is an arithmetic number, because the mean of its divisors is an integer number (7410487924).

Almost surely, 2^14820975847 is an apocalyptic number.

14820975847 is a deficient number, since it is larger than the sum of its proper divisors (1).

14820975847 is an equidigital number, since it uses as much as digits as its factorization.

14820975847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 14820975847 in words is "fourteen billion, eight hundred twenty million, nine hundred seventy-five thousand, eight hundred forty-seven".