50021096249 has 2 divisors, whose sum is σ = 50021096250. Its totient is φ = 50021096248.

The previous prime is 50021096243. The next prime is 50021096357. The reversal of 50021096249 is 94269012005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45469165225 + 4551931024 = 213235^2 + 67468^2 .

It is a cyclic number.

It is not a de Polignac number, because 50021096249 - 2²⁰ = 50020047673 is a prime.

It is a super-2 number, since 2×50021096249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50021096243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010548124 + 25010548125.

It is an arithmetic number, because the mean of its divisors is an integer number (25010548125).

Almost surely, 2^50021096249 is an apocalyptic number.

It is an amenable number.

50021096249 is a deficient number, since it is larger than the sum of its proper divisors (1).

50021096249 is an equidigital number, since it uses as much as digits as its factorization.

50021096249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 50021096249 in words is "fifty billion, twenty-one million, ninety-six thousand, two hundred forty-nine".