49774913 has 2 divisors, whose sum is σ = 49774914. Its totient is φ = 49774912.

The previous prime is 49774883. The next prime is 49774919. The reversal of 49774913 is 31947794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 2879809 = 6848^2 + 1697^2 .

It is a cyclic number.

It is not a de Polignac number, because 49774913 - 2⁶ = 49774849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49774919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887456 + 24887457.

It is an arithmetic number, because the mean of its divisors is an integer number (24887457).

Almost surely, 2^49774913 is an apocalyptic number.

It is an amenable number.

49774913 is a deficient number, since it is larger than the sum of its proper divisors (1).

49774913 is an equidigital number, since it uses as much as digits as its factorization.

49774913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 49774913 is about 7055.1338045426. The cubic root of 49774913 is about 367.8494998363.

The spelling of 49774913 in words is "forty-nine million, seven hundred seventy-four thousand, nine hundred thirteen".