49217126417 has 2 divisors, whose sum is σ = 49217126418. Its totient is φ = 49217126416.

The previous prime is 49217126393. The next prime is 49217126423. The reversal of 49217126417 is 71462171294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33690969601 + 15526156816 = 183551^2 + 124604^2 .

It is a cyclic number.

It is not a de Polignac number, because 49217126417 - 2¹⁰ = 49217125393 is a prime.

It is not a weakly prime, because it can be changed into another prime (49217126477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24608563208 + 24608563209.

It is an arithmetic number, because the mean of its divisors is an integer number (24608563209).

Almost surely, 2^49217126417 is an apocalyptic number.

It is an amenable number.

49217126417 is a deficient number, since it is larger than the sum of its proper divisors (1).

49217126417 is an equidigital number, since it uses as much as digits as its factorization.

49217126417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 44.

The spelling of 49217126417 in words is "forty-nine billion, two hundred seventeen million, one hundred twenty-six thousand, four hundred seventeen".