16954969 has 2 divisors, whose sum is σ = 16954970. Its totient is φ = 16954968.

The previous prime is 16954963. The next prime is 16954997. The reversal of 16954969 is 96945961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15303744 + 1651225 = 3912^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 16954969 - 2³ = 16954961 is a prime.

It is a super-2 number, since 2×16954969² = 574941947581922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16954961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8477484 + 8477485.

It is an arithmetic number, because the mean of its divisors is an integer number (8477485).

Almost surely, 2^16954969 is an apocalyptic number.

It is an amenable number.

16954969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16954969 is an equidigital number, since it uses as much as digits as its factorization.

16954969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 49.

The square root of 16954969 is about 4117.6411936933. The cubic root of 16954969 is about 256.9009242271.

The spelling of 16954969 in words is "sixteen million, nine hundred fifty-four thousand, nine hundred sixty-nine".