4901849 has 2 divisors, whose sum is σ = 4901850. Its totient is φ = 4901848.

The previous prime is 4901807. The next prime is 4901851. The reversal of 4901849 is 9481094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4439449 + 462400 = 2107^2 + 680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4901849 is a prime.

Together with 4901851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4901879) 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, 2450924 + 2450925.

It is an arithmetic number, because the mean of its divisors is an integer number (2450925).

Almost surely, 2^4901849 is an apocalyptic number.

It is an amenable number.

4901849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4901849 is an equidigital number, since it uses as much as digits as its factorization.

4901849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4901849 is about 2214.0119692540. The cubic root of 4901849 is about 169.8712866540.

The spelling of 4901849 in words is "four million, nine hundred one thousand, eight hundred forty-nine".