49661951614943 has 2 divisors, whose sum is σ = 49661951614944. Its totient is φ = 49661951614942.

The previous prime is 49661951614931. The next prime is 49661951614997. The reversal of 49661951614943 is 34941615916694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49661951614943 - 2³⁰ = 49660877873119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49661951614903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24830975807471 + 24830975807472.

It is an arithmetic number, because the mean of its divisors is an integer number (24830975807472).

Almost surely, 2^{49661951614943} is an apocalyptic number.

49661951614943 is a deficient number, since it is larger than the sum of its proper divisors (1).

49661951614943 is an equidigital number, since it uses as much as digits as its factorization.

49661951614943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151165440, while the sum is 68.

The spelling of 49661951614943 in words is "forty-nine trillion, six hundred sixty-one billion, nine hundred fifty-one million, six hundred fourteen thousand, nine hundred forty-three".