69109069 has 2 divisors, whose sum is σ = 69109070. Its totient is φ = 69109068.

The previous prime is 69109003. The next prime is 69109091. The reversal of 69109069 is 96090196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60918025 + 8191044 = 7805^2 + 2862^2 .

It is a cyclic number.

It is not a de Polignac number, because 69109069 - 2¹¹ = 69107021 is a prime.

It is a super-2 number, since 2×69109069² = 9552126836093522, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4068679 and since 69109069 and 4068679 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69106069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34554534 + 34554535.

It is an arithmetic number, because the mean of its divisors is an integer number (34554535).

Almost surely, 2^69109069 is an apocalyptic number.

It is an amenable number.

69109069 is a deficient number, since it is larger than the sum of its proper divisors (1).

69109069 is an equidigital number, since it uses as much as digits as its factorization.

69109069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 69109069 is about 8313.1864528591. The cubic root of 69109069 is about 410.3725920954.

The spelling of 69109069 in words is "sixty-nine million, one hundred nine thousand, sixty-nine".