50197456349 has 2 divisors, whose sum is σ = 50197456350. Its totient is φ = 50197456348.

The previous prime is 50197456223. The next prime is 50197456403. The reversal of 50197456349 is 94365479105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43412639449 + 6784816900 = 208357^2 + 82370^2 .

It is a cyclic number.

It is not a de Polignac number, because 50197456349 - 2¹⁶ = 50197390813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50197456349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50197456949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25098728174 + 25098728175.

It is an arithmetic number, because the mean of its divisors is an integer number (25098728175).

Almost surely, 2^50197456349 is an apocalyptic number.

It is an amenable number.

50197456349 is a deficient number, since it is larger than the sum of its proper divisors (1).

50197456349 is an equidigital number, since it uses as much as digits as its factorization.

50197456349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 50197456349 in words is "fifty billion, one hundred ninety-seven million, four hundred fifty-six thousand, three hundred forty-nine".