100997973500069 has 2 divisors, whose sum is σ = 100997973500070. Its totient is φ = 100997973500068.

The previous prime is 100997973500023. The next prime is 100997973500089. The reversal of 100997973500069 is 960005379799001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63860284335169 + 37137689164900 = 7991263^2 + 6094070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100997973500069 is a prime.

It is a super-2 number, since 2×100997973500069² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100997973499978 and 100997973500014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100997973500009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50498986750034 + 50498986750035.

It is an arithmetic number, because the mean of its divisors is an integer number (50498986750035).

Almost surely, 2^{100997973500069} is an apocalyptic number.

It is an amenable number.

100997973500069 is a deficient number, since it is larger than the sum of its proper divisors (1).

100997973500069 is an equidigital number, since it uses as much as digits as its factorization.

100997973500069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28934010, while the sum is 65.

The spelling of 100997973500069 in words is "one hundred trillion, nine hundred ninety-seven billion, nine hundred seventy-three million, five hundred thousand, sixty-nine".