50181420363749 has 2 divisors, whose sum is σ = 50181420363750. Its totient is φ = 50181420363748.

The previous prime is 50181420363719. The next prime is 50181420363757. The reversal of 50181420363749 is 94736302418105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43095522419524 + 7085897944225 = 6564718^2 + 2661935^2 .

It is a cyclic number.

It is not a de Polignac number, because 50181420363749 - 2²⁸ = 50181151928293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50181420363749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50181420363709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25090710181874 + 25090710181875.

It is an arithmetic number, because the mean of its divisors is an integer number (25090710181875).

It is a 1-persistent number, because it is pandigital, but 2⋅50181420363749 = 100362840727498 is not.

Almost surely, 2^{50181420363749} is an apocalyptic number.

It is an amenable number.

50181420363749 is a deficient number, since it is larger than the sum of its proper divisors (1).

50181420363749 is an equidigital number, since it uses as much as digits as its factorization.

50181420363749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 50181420363749 in words is "fifty trillion, one hundred eighty-one billion, four hundred twenty million, three hundred sixty-three thousand, seven hundred forty-nine".