50197456493 has 2 divisors, whose sum is σ = 50197456494. Its totient is φ = 50197456492.

The previous prime is 50197456489. The next prime is 50197456567. The reversal of 50197456493 is 39465479105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43974928804 + 6222527689 = 209702^2 + 78883^2 .

It is a cyclic number.

It is not a de Polignac number, because 50197456493 - 2² = 50197456489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50197456403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25098728246 + 25098728247.

It is an arithmetic number, because the mean of its divisors is an integer number (25098728247).

Almost surely, 2^50197456493 is an apocalyptic number.

It is an amenable number.

50197456493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50197456493 is an equidigital number, since it uses as much as digits as its factorization.

50197456493 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 50197456493 in words is "fifty billion, one hundred ninety-seven million, four hundred fifty-six thousand, four hundred ninety-three".