49146289 has 2 divisors, whose sum is σ = 49146290. Its totient is φ = 49146288.

The previous prime is 49146283. The next prime is 49146313. The reversal of 49146289 is 98264194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49112064 + 34225 = 7008^2 + 185^2 .

It is a cyclic number.

It is not a de Polignac number, because 49146289 - 2³ = 49146281 is a prime.

It is not a weakly prime, because it can be changed into another prime (49146281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24573144 + 24573145.

It is an arithmetic number, because the mean of its divisors is an integer number (24573145).

Almost surely, 2^49146289 is an apocalyptic number.

It is an amenable number.

49146289 is a deficient number, since it is larger than the sum of its proper divisors (1).

49146289 is an equidigital number, since it uses as much as digits as its factorization.

49146289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 43.

The square root of 49146289 is about 7010.4414269003. The cubic root of 49146289 is about 366.2943698648.

The spelling of 49146289 in words is "forty-nine million, one hundred forty-six thousand, two hundred eighty-nine".