69901109 has 2 divisors, whose sum is σ = 69901110. Its totient is φ = 69901108.

The previous prime is 69901043. The next prime is 69901121. The reversal of 69901109 is 90110996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68840209 + 1060900 = 8297^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 69901109 - 2¹⁶ = 69835573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69901129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34950554 + 34950555.

It is an arithmetic number, because the mean of its divisors is an integer number (34950555).

Almost surely, 2^69901109 is an apocalyptic number.

It is an amenable number.

69901109 is a deficient number, since it is larger than the sum of its proper divisors (1).

69901109 is an equidigital number, since it uses as much as digits as its factorization.

69901109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 69901109 is about 8360.6883089851. The cubic root of 69901109 is about 411.9343632674.

The spelling of 69901109 in words is "sixty-nine million, nine hundred one thousand, one hundred nine".