48609439 has 2 divisors, whose sum is σ = 48609440. Its totient is φ = 48609438.

The previous prime is 48609437. The next prime is 48609461. The reversal of 48609439 is 93490684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48609439 - 2¹ = 48609437 is a prime.

Together with 48609437, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 48609395 and 48609404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48609437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24304719 + 24304720.

It is an arithmetic number, because the mean of its divisors is an integer number (24304720).

Almost surely, 2^48609439 is an apocalyptic number.

48609439 is a deficient number, since it is larger than the sum of its proper divisors (1).

48609439 is an equidigital number, since it uses as much as digits as its factorization.

48609439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 48609439 is about 6972.0469734505. The cubic root of 48609439 is about 364.9557436802.

The spelling of 48609439 in words is "forty-eight million, six hundred nine thousand, four hundred thirty-nine".