49039643 has 2 divisors, whose sum is σ = 49039644. Its totient is φ = 49039642.

The previous prime is 49039633. The next prime is 49039687. The reversal of 49039643 is 34693094.

49039643 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 is a cyclic number.

It is not a de Polignac number, because 49039643 - 2¹⁴ = 49023259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49039597 and 49039606.

It is not a weakly prime, because it can be changed into another prime (49039603) 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, 24519821 + 24519822.

It is an arithmetic number, because the mean of its divisors is an integer number (24519822).

Almost surely, 2^49039643 is an apocalyptic number.

49039643 is a deficient number, since it is larger than the sum of its proper divisors (1).

49039643 is an equidigital number, since it uses as much as digits as its factorization.

49039643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 49039643 is about 7002.8310703600. The cubic root of 49039643 is about 366.0292286570.

The spelling of 49039643 in words is "forty-nine million, thirty-nine thousand, six hundred forty-three".