50121631247 has 2 divisors, whose sum is σ = 50121631248. Its totient is φ = 50121631246.

The previous prime is 50121631243. The next prime is 50121631279. The reversal of 50121631247 is 74213612105.

It is an a-pointer prime, because the next prime (50121631279) can be obtained adding 50121631247 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50121631247 - 2² = 50121631243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50121631243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25060815623 + 25060815624.

It is an arithmetic number, because the mean of its divisors is an integer number (25060815624).

Almost surely, 2^50121631247 is an apocalyptic number.

50121631247 is a deficient number, since it is larger than the sum of its proper divisors (1).

50121631247 is an equidigital number, since it uses as much as digits as its factorization.

50121631247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 50121631247 in words is "fifty billion, one hundred twenty-one million, six hundred thirty-one thousand, two hundred forty-seven".