50105130997 has 2 divisors, whose sum is σ = 50105130998. Its totient is φ = 50105130996.

The previous prime is 50105130979. The next prime is 50105131079. The reversal of 50105130997 is 79903150105.

Together with previous prime (50105130979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49500020196 + 605110801 = 222486^2 + 24599^2 .

It is a cyclic number.

It is not a de Polignac number, because 50105130997 - 2¹⁹ = 50104606709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50105130497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052565498 + 25052565499.

It is an arithmetic number, because the mean of its divisors is an integer number (25052565499).

Almost surely, 2^50105130997 is an apocalyptic number.

It is an amenable number.

50105130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

50105130997 is an equidigital number, since it uses as much as digits as its factorization.

50105130997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 40.

The spelling of 50105130997 in words is "fifty billion, one hundred five million, one hundred thirty thousand, nine hundred ninety-seven".