69875149 has 2 divisors, whose sum is σ = 69875150. Its totient is φ = 69875148.

The previous prime is 69875131. The next prime is 69875167. The reversal of 69875149 is 94157896.

It is a balanced prime because it is at equal distance from previous prime (69875131) and next prime (69875167).

It can be written as a sum of positive squares in only one way, i.e., 59182249 + 10692900 = 7693^2 + 3270^2 .

It is a cyclic number.

It is not a de Polignac number, because 69875149 - 2²³ = 61486541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69875549) 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, 34937574 + 34937575.

It is an arithmetic number, because the mean of its divisors is an integer number (34937575).

Almost surely, 2^69875149 is an apocalyptic number.

It is an amenable number.

69875149 is a deficient number, since it is larger than the sum of its proper divisors (1).

69875149 is an equidigital number, since it uses as much as digits as its factorization.

69875149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 69875149 is about 8359.1356610597. The cubic root of 69875149 is about 411.8833619775.

The spelling of 69875149 in words is "sixty-nine million, eight hundred seventy-five thousand, one hundred forty-nine".