50957042749 has 2 divisors, whose sum is σ = 50957042750. Its totient is φ = 50957042748.

The previous prime is 50957042681. The next prime is 50957042771. The reversal of 50957042749 is 94724075905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40488683524 + 10468359225 = 201218^2 + 102315^2 .

It is a cyclic number.

It is not a de Polignac number, because 50957042749 - 2⁷ = 50957042621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50957042696 and 50957042705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50957042779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25478521374 + 25478521375.

It is an arithmetic number, because the mean of its divisors is an integer number (25478521375).

Almost surely, 2^50957042749 is an apocalyptic number.

It is an amenable number.

50957042749 is a deficient number, since it is larger than the sum of its proper divisors (1).

50957042749 is an equidigital number, since it uses as much as digits as its factorization.

50957042749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 50957042749 in words is "fifty billion, nine hundred fifty-seven million, forty-two thousand, seven hundred forty-nine".