16959935869 has 2 divisors, whose sum is σ = 16959935870. Its totient is φ = 16959935868.

The previous prime is 16959935821. The next prime is 16959935899. The reversal of 16959935869 is 96853995961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15391379844 + 1568556025 = 124062^2 + 39605^2 .

It is a cyclic number.

It is not a de Polignac number, because 16959935869 - 2⁹ = 16959935357 is a prime.

It is a super-2 number, since 2×16959935869² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16959935798 and 16959935807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16959935899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8479967934 + 8479967935.

It is an arithmetic number, because the mean of its divisors is an integer number (8479967935).

Almost surely, 2^16959935869 is an apocalyptic number.

It is an amenable number.

16959935869 is a deficient number, since it is larger than the sum of its proper divisors (1).

16959935869 is an equidigital number, since it uses as much as digits as its factorization.

16959935869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141717600, while the sum is 70.

The spelling of 16959935869 in words is "sixteen billion, nine hundred fifty-nine million, nine hundred thirty-five thousand, eight hundred sixty-nine".