13623995969 has 2 divisors, whose sum is σ = 13623995970. Its totient is φ = 13623995968.

The previous prime is 13623995951. The next prime is 13623996011. The reversal of 13623995969 is 96959932631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8563096369 + 5060899600 = 92537^2 + 71140^2 .

It is a cyclic number.

It is not a de Polignac number, because 13623995969 - 2¹² = 13623991873 is a prime.

It is a super-2 number, since 2×13623995969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13623995669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6811997984 + 6811997985.

It is an arithmetic number, because the mean of its divisors is an integer number (6811997985).

Almost surely, 2^13623995969 is an apocalyptic number.

It is an amenable number.

13623995969 is a deficient number, since it is larger than the sum of its proper divisors (1).

13623995969 is an equidigital number, since it uses as much as digits as its factorization.

13623995969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21257640, while the sum is 62.

The spelling of 13623995969 in words is "thirteen billion, six hundred twenty-three million, nine hundred ninety-five thousand, nine hundred sixty-nine".