48869129 has 2 divisors, whose sum is σ = 48869130. Its totient is φ = 48869128.

The previous prime is 48869111. The next prime is 48869131. The reversal of 48869129 is 92196884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 1974025 = 6848^2 + 1405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48869129 is a prime.

Together with 48869131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48869329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24434564 + 24434565.

It is an arithmetic number, because the mean of its divisors is an integer number (24434565).

Almost surely, 2^48869129 is an apocalyptic number.

It is an amenable number.

48869129 is a deficient number, since it is larger than the sum of its proper divisors (1).

48869129 is an equidigital number, since it uses as much as digits as its factorization.

48869129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 48869129 is about 6990.6458213816. The cubic root of 48869129 is about 365.6045002654.

The spelling of 48869129 in words is "forty-eight million, eight hundred sixty-nine thousand, one hundred twenty-nine".