49892389 has 2 divisors, whose sum is σ = 49892390. Its totient is φ = 49892388.

The previous prime is 49892387. The next prime is 49892407. The reversal of 49892389 is 98329894.

49892389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 16136289 = 5810^2 + 4017^2 .

It is a cyclic number.

It is not a de Polignac number, because 49892389 - 2¹ = 49892387 is a prime.

Together with 49892387, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49892387) 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, 24946194 + 24946195.

It is an arithmetic number, because the mean of its divisors is an integer number (24946195).

Almost surely, 2^49892389 is an apocalyptic number.

It is an amenable number.

49892389 is a deficient number, since it is larger than the sum of its proper divisors (1).

49892389 is an equidigital number, since it uses as much as digits as its factorization.

49892389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 49892389 is about 7063.4544664774. The cubic root of 49892389 is about 368.1386651544.

The spelling of 49892389 in words is "forty-nine million, eight hundred ninety-two thousand, three hundred eighty-nine".