49999870782271 has 2 divisors, whose sum is σ = 49999870782272. Its totient is φ = 49999870782270.

The previous prime is 49999870782259. The next prime is 49999870782307. The reversal of 49999870782271 is 17228707899994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49999870782271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999870732271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999935391135 + 24999935391136.

It is an arithmetic number, because the mean of its divisors is an integer number (24999935391136).

Almost surely, 2^{49999870782271} is an apocalyptic number.

49999870782271 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999870782271 is an equidigital number, since it uses as much as digits as its factorization.

49999870782271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304433152, while the sum is 82.

The spelling of 49999870782271 in words is "forty-nine trillion, nine hundred ninety-nine billion, eight hundred seventy million, seven hundred eighty-two thousand, two hundred seventy-one".