49532819729 has 2 divisors, whose sum is σ = 49532819730. Its totient is φ = 49532819728.

The previous prime is 49532819717. The next prime is 49532819731. The reversal of 49532819729 is 92791823594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33289827025 + 16242992704 = 182455^2 + 127448^2 .

It is a cyclic number.

It is not a de Polignac number, because 49532819729 - 2⁸ = 49532819473 is a prime.

It is a super-2 number, since 2×49532819729² (a number of 22 digits) contains 22 as substring.

Together with 49532819731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49532819759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24766409864 + 24766409865.

It is an arithmetic number, because the mean of its divisors is an integer number (24766409865).

Almost surely, 2^49532819729 is an apocalyptic number.

It is an amenable number.

49532819729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49532819729 is an equidigital number, since it uses as much as digits as its factorization.

49532819729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The spelling of 49532819729 in words is "forty-nine billion, five hundred thirty-two million, eight hundred nineteen thousand, seven hundred twenty-nine".