50181151928293 has 2 divisors, whose sum is σ = 50181151928294. Its totient is φ = 50181151928292.

The previous prime is 50181151928291. The next prime is 50181151928339. The reversal of 50181151928293 is 39282915118105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33477599276289 + 16703552652004 = 5785983^2 + 4086998^2 .

It is a cyclic number.

It is not a de Polignac number, because 50181151928293 - 2¹ = 50181151928291 is a prime.

Together with 50181151928291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50181151928291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25090575964146 + 25090575964147.

It is an arithmetic number, because the mean of its divisors is an integer number (25090575964147).

Almost surely, 2^{50181151928293} is an apocalyptic number.

It is an amenable number.

50181151928293 is a deficient number, since it is larger than the sum of its proper divisors (1).

50181151928293 is an equidigital number, since it uses as much as digits as its factorization.

50181151928293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 55.

The spelling of 50181151928293 in words is "fifty trillion, one hundred eighty-one billion, one hundred fifty-one million, nine hundred twenty-eight thousand, two hundred ninety-three".