16945463 has 2 divisors, whose sum is σ = 16945464. Its totient is φ = 16945462.

The previous prime is 16945459. The next prime is 16945501. The reversal of 16945463 is 36454961.

It is an a-pointer prime, because the next prime (16945501) can be obtained adding 16945463 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16945463 - 2² = 16945459 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16945403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8472731 + 8472732.

It is an arithmetic number, because the mean of its divisors is an integer number (8472732).

Almost surely, 2^16945463 is an apocalyptic number.

16945463 is a deficient number, since it is larger than the sum of its proper divisors (1).

16945463 is an equidigital number, since it uses as much as digits as its factorization.

16945463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 16945463 is about 4116.4867302106. The cubic root of 16945463 is about 256.8529037574.

The spelling of 16945463 in words is "sixteen million, nine hundred forty-five thousand, four hundred sixty-three".