49768013 has 2 divisors, whose sum is σ = 49768014. Its totient is φ = 49768012.

The previous prime is 49767967. The next prime is 49768039. The reversal of 49768013 is 31086794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34070569 + 15697444 = 5837^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 49768013 - 2¹⁴ = 49751629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49768063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24884006 + 24884007.

It is an arithmetic number, because the mean of its divisors is an integer number (24884007).

Almost surely, 2^49768013 is an apocalyptic number.

It is an amenable number.

49768013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49768013 is an equidigital number, since it uses as much as digits as its factorization.

49768013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 49768013 is about 7054.6447819858. The cubic root of 49768013 is about 367.8325014550.

The spelling of 49768013 in words is "forty-nine million, seven hundred sixty-eight thousand, thirteen".