49161473 has 2 divisors, whose sum is σ = 49161474. Its totient is φ = 49161472.

The previous prime is 49161449. The next prime is 49161499. The reversal of 49161473 is 37416194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45859984 + 3301489 = 6772^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 49161473 - 2¹⁸ = 48899329 is a prime.

It is not a weakly prime, because it can be changed into another prime (49161403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24580736 + 24580737.

It is an arithmetic number, because the mean of its divisors is an integer number (24580737).

Almost surely, 2^49161473 is an apocalyptic number.

It is an amenable number.

49161473 is a deficient number, since it is larger than the sum of its proper divisors (1).

49161473 is an equidigital number, since it uses as much as digits as its factorization.

49161473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 49161473 is about 7011.5242993232. The cubic root of 49161473 is about 366.3320888268.

The spelling of 49161473 in words is "forty-nine million, one hundred sixty-one thousand, four hundred seventy-three".