49665122659 has 2 divisors, whose sum is σ = 49665122660. Its totient is φ = 49665122658.

The previous prime is 49665122609. The next prime is 49665122669. The reversal of 49665122659 is 95622156694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49665122659 - 2⁷ = 49665122531 is a prime.

It is not a weakly prime, because it can be changed into another prime (49665122609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24832561329 + 24832561330.

It is an arithmetic number, because the mean of its divisors is an integer number (24832561330).

Almost surely, 2^49665122659 is an apocalyptic number.

49665122659 is a deficient number, since it is larger than the sum of its proper divisors (1).

49665122659 is an equidigital number, since it uses as much as digits as its factorization.

49665122659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 55.

The spelling of 49665122659 in words is "forty-nine billion, six hundred sixty-five million, one hundred twenty-two thousand, six hundred fifty-nine".