16969963 has 2 divisors, whose sum is σ = 16969964. Its totient is φ = 16969962.

The previous prime is 16969951. The next prime is 16969991. The reversal of 16969963 is 36996961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16969963 - 2¹³ = 16961771 is a prime.

It is not a weakly prime, because it can be changed into another prime (16969903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8484981 + 8484982.

It is an arithmetic number, because the mean of its divisors is an integer number (8484982).

Almost surely, 2^16969963 is an apocalyptic number.

16969963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16969963 is an equidigital number, since it uses as much as digits as its factorization.

16969963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472392, while the sum is 49.

The square root of 16969963 is about 4119.4614939334. The cubic root of 16969963 is about 256.9766313847.

The spelling of 16969963 in words is "sixteen million, nine hundred sixty-nine thousand, nine hundred sixty-three".