16203465947 has 2 divisors, whose sum is σ = 16203465948. Its totient is φ = 16203465946.

The previous prime is 16203465899. The next prime is 16203465961. The reversal of 16203465947 is 74956430261.

It is a strong prime.

It is an emirp because it is prime and its reverse (74956430261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16203465947 is a prime.

It is not a weakly prime, because it can be changed into another prime (16203465997) 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, 8101732973 + 8101732974.

It is an arithmetic number, because the mean of its divisors is an integer number (8101732974).

Almost surely, 2^16203465947 is an apocalyptic number.

16203465947 is a deficient number, since it is larger than the sum of its proper divisors (1).

16203465947 is an equidigital number, since it uses as much as digits as its factorization.

16203465947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 16203465947 in words is "sixteen billion, two hundred three million, four hundred sixty-five thousand, nine hundred forty-seven".