49471489 has 2 divisors, whose sum is σ = 49471490. Its totient is φ = 49471488.

The previous prime is 49471481. The next prime is 49471493. The reversal of 49471489 is 98417494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24800400 + 24671089 = 4980^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 49471489 - 2³ = 49471481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49471481) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24735744 + 24735745.

It is an arithmetic number, because the mean of its divisors is an integer number (24735745).

It is a Proth number, since it is equal to 6039 ⋅ 2¹³ + 1 and 6039 < 2¹³.

Almost surely, 2^49471489 is an apocalyptic number.

It is an amenable number.

49471489 is a deficient number, since it is larger than the sum of its proper divisors (1).

49471489 is an equidigital number, since it uses as much as digits as its factorization.

49471489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 49471489 is about 7033.5971593488. The cubic root of 49471489 is about 367.1005151998.

The spelling of 49471489 in words is "forty-nine million, four hundred seventy-one thousand, four hundred eighty-nine".