69116213 has 2 divisors, whose sum is σ = 69116214. Its totient is φ = 69116212.

The previous prime is 69116191. The next prime is 69116227. The reversal of 69116213 is 31261196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 17247409 = 7202^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 69116213 - 2¹² = 69112117 is a prime.

It is a super-2 number, since 2×69116213² = 9554101798922738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69116413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34558106 + 34558107.

It is an arithmetic number, because the mean of its divisors is an integer number (34558107).

Almost surely, 2^69116213 is an apocalyptic number.

It is an amenable number.

69116213 is a deficient number, since it is larger than the sum of its proper divisors (1).

69116213 is an equidigital number, since it uses as much as digits as its factorization.

69116213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 69116213 is about 8313.6161205579. The cubic root of 69116213 is about 410.3867320668.

The spelling of 69116213 in words is "sixty-nine million, one hundred sixteen thousand, two hundred thirteen".