69110081 has 2 divisors, whose sum is σ = 69110082. Its totient is φ = 69110080.

The previous prime is 69110077. The next prime is 69110099. The reversal of 69110081 is 18001196.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57138481 + 11971600 = 7559^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 69110081 - 2² = 69110077 is a prime.

It is a super-2 number, since 2×69110081² = 9552406591653122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69110081.

It is not a weakly prime, because it can be changed into another prime (69110071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34555040 + 34555041.

It is an arithmetic number, because the mean of its divisors is an integer number (34555041).

Almost surely, 2^69110081 is an apocalyptic number.

It is an amenable number.

69110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

69110081 is an equidigital number, since it uses as much as digits as its factorization.

69110081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 69110081 is about 8313.2473197903. The cubic root of 69110081 is about 410.3745951853.

The spelling of 69110081 in words is "sixty-nine million, one hundred ten thousand, eighty-one".