49688026985791 has 2 divisors, whose sum is σ = 49688026985792. Its totient is φ = 49688026985790.

The previous prime is 49688026985767. The next prime is 49688026985819. The reversal of 49688026985791 is 19758962088694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49688026985791 - 2⁹ = 49688026985279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49688026988791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24844013492895 + 24844013492896.

It is an arithmetic number, because the mean of its divisors is an integer number (24844013492896).

Almost surely, 2^{49688026985791} is an apocalyptic number.

49688026985791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49688026985791 is an equidigital number, since it uses as much as digits as its factorization.

49688026985791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3762339840, while the sum is 82.

The spelling of 49688026985791 in words is "forty-nine trillion, six hundred eighty-eight billion, twenty-six million, nine hundred eighty-five thousand, seven hundred ninety-one".