49349777 has 2 divisors, whose sum is σ = 49349778. Its totient is φ = 49349776.

The previous prime is 49349747. The next prime is 49349779. The reversal of 49349777 is 77794394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 4177936 = 6721^2 + 2044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49349777 is a prime.

Together with 49349779, 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 (49349779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24674888 + 24674889.

It is an arithmetic number, because the mean of its divisors is an integer number (24674889).

Almost surely, 2^49349777 is an apocalyptic number.

It is an amenable number.

49349777 is a deficient number, since it is larger than the sum of its proper divisors (1).

49349777 is an equidigital number, since it uses as much as digits as its factorization.

49349777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1333584, while the sum is 50.

The square root of 49349777 is about 7024.9396438688. The cubic root of 49349777 is about 366.7992155309.

The spelling of 49349777 in words is "forty-nine million, three hundred forty-nine thousand, seven hundred seventy-seven".