16464242563 has 2 divisors, whose sum is σ = 16464242564. Its totient is φ = 16464242562.

The previous prime is 16464242489. The next prime is 16464242567. The reversal of 16464242563 is 36524246461.

It is a strong prime.

It is an emirp because it is prime and its reverse (36524246461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16464242563 - 2³³ = 7874307971 is a prime.

It is not a weakly prime, because it can be changed into another prime (16464242567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232121281 + 8232121282.

It is an arithmetic number, because the mean of its divisors is an integer number (8232121282).

Almost surely, 2^16464242563 is an apocalyptic number.

16464242563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16464242563 is an equidigital number, since it uses as much as digits as its factorization.

16464242563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 43.

The spelling of 16464242563 in words is "sixteen billion, four hundred sixty-four million, two hundred forty-two thousand, five hundred sixty-three".