69040189 has 2 divisors, whose sum is σ = 69040190. Its totient is φ = 69040188.

The previous prime is 69040183. The next prime is 69040201. The reversal of 69040189 is 98104096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 32012964 = 6085^2 + 5658^2 .

It is a cyclic number.

It is not a de Polignac number, because 69040189 - 2⁵ = 69040157 is a prime.

It is equal to p_4064887 and since 69040189 and 4064887 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 (69040183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34520094 + 34520095.

It is an arithmetic number, because the mean of its divisors is an integer number (34520095).

Almost surely, 2^69040189 is an apocalyptic number.

It is an amenable number.

69040189 is a deficient number, since it is larger than the sum of its proper divisors (1).

69040189 is an equidigital number, since it uses as much as digits as its factorization.

69040189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 69040189 is about 8309.0426042956. The cubic root of 69040189 is about 410.2362093182.

The spelling of 69040189 in words is "sixty-nine million, forty thousand, one hundred eighty-nine".