50154251220449 has 2 divisors, whose sum is σ = 50154251220450. Its totient is φ = 50154251220448.

The previous prime is 50154251220433. The next prime is 50154251220467. The reversal of 50154251220449 is 94402215245105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41752688103424 + 8401563117025 = 6461632^2 + 2898545^2 .

It is a cyclic number.

It is not a de Polignac number, because 50154251220449 - 2⁴ = 50154251220433 is a prime.

It is not a weakly prime, because it can be changed into another prime (50154241220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077125610224 + 25077125610225.

It is an arithmetic number, because the mean of its divisors is an integer number (25077125610225).

Almost surely, 2^{50154251220449} is an apocalyptic number.

It is an amenable number.

50154251220449 is a deficient number, since it is larger than the sum of its proper divisors (1).

50154251220449 is an equidigital number, since it uses as much as digits as its factorization.

50154251220449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 50154251220449 in words is "fifty trillion, one hundred fifty-four billion, two hundred fifty-one million, two hundred twenty thousand, four hundred forty-nine".