106006469981 has 2 divisors, whose sum is σ = 106006469982. Its totient is φ = 106006469980.

The previous prime is 106006469969. The next prime is 106006469999. The reversal of 106006469981 is 189964600601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59892772900 + 46113697081 = 244730^2 + 214741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106006469981 is a prime.

It is a super-2 number, since 2×106006469981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106006469581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53003234990 + 53003234991.

It is an arithmetic number, because the mean of its divisors is an integer number (53003234991).

Almost surely, 2^106006469981 is an apocalyptic number.

It is an amenable number.

106006469981 is a deficient number, since it is larger than the sum of its proper divisors (1).

106006469981 is an equidigital number, since it uses as much as digits as its factorization.

106006469981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 106006469981 in words is "one hundred six billion, six million, four hundred sixty-nine thousand, nine hundred eighty-one".