49039973 has 2 divisors, whose sum is σ = 49039974. Its totient is φ = 49039972.

The previous prime is 49039943. The next prime is 49039993. The reversal of 49039973 is 37993094.

It is a happy number.

49039973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 22486564 = 5153^2 + 4742^2 .

It is a cyclic number.

It is not a de Polignac number, because 49039973 - 2¹⁴ = 49023589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49039943) 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, 24519986 + 24519987.

It is an arithmetic number, because the mean of its divisors is an integer number (24519987).

Almost surely, 2^49039973 is an apocalyptic number.

It is an amenable number.

49039973 is a deficient number, since it is larger than the sum of its proper divisors (1).

49039973 is an equidigital number, since it uses as much as digits as its factorization.

49039973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 49039973 is about 7002.8546322196. The cubic root of 49039973 is about 366.0300496892.

The spelling of 49039973 in words is "forty-nine million, thirty-nine thousand, nine hundred seventy-three".