49538751601 has 2 divisors, whose sum is σ = 49538751602. Its totient is φ = 49538751600.

The previous prime is 49538751593. The next prime is 49538751629. The reversal of 49538751601 is 10615783594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33251887201 + 16286864400 = 182351^2 + 127620^2 .

It is a cyclic number.

It is not a de Polignac number, because 49538751601 - 2³ = 49538751593 is a prime.

It is not a weakly prime, because it can be changed into another prime (49538751001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24769375800 + 24769375801.

It is an arithmetic number, because the mean of its divisors is an integer number (24769375801).

Almost surely, 2^49538751601 is an apocalyptic number.

It is an amenable number.

49538751601 is a deficient number, since it is larger than the sum of its proper divisors (1).

49538751601 is an equidigital number, since it uses as much as digits as its factorization.

49538751601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 49538751601 in words is "forty-nine billion, five hundred thirty-eight million, seven hundred fifty-one thousand, six hundred one".