49490473 has 2 divisors, whose sum is σ = 49490474. Its totient is φ = 49490472.

The previous prime is 49490453. The next prime is 49490513. The reversal of 49490473 is 37409494.

49490473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (49490513) can be obtained adding 49490473 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 2334784 = 6867^2 + 1528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49490473 is a prime.

It is not a weakly prime, because it can be changed into another prime (49490453) 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, 24745236 + 24745237.

It is an arithmetic number, because the mean of its divisors is an integer number (24745237).

Almost surely, 2^49490473 is an apocalyptic number.

It is an amenable number.

49490473 is a deficient number, since it is larger than the sum of its proper divisors (1).

49490473 is an equidigital number, since it uses as much as digits as its factorization.

49490473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 49490473 is about 7034.9465527465. The cubic root of 49490473 is about 367.1474657774.

The spelling of 49490473 in words is "forty-nine million, four hundred ninety thousand, four hundred seventy-three".