49951829449 has 2 divisors, whose sum is σ = 49951829450. Its totient is φ = 49951829448.

The previous prime is 49951829441. The next prime is 49951829461. The reversal of 49951829449 is 94492815994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38445405625 + 11506423824 = 196075^2 + 107268^2 .

It is a cyclic number.

It is not a de Polignac number, because 49951829449 - 2³ = 49951829441 is a prime.

It is a super-3 number, since 3×49951829449³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (49951829441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24975914724 + 24975914725.

It is an arithmetic number, because the mean of its divisors is an integer number (24975914725).

Almost surely, 2^49951829449 is an apocalyptic number.

It is an amenable number.

49951829449 is a deficient number, since it is larger than the sum of its proper divisors (1).

49951829449 is an equidigital number, since it uses as much as digits as its factorization.

49951829449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 64.

The spelling of 49951829449 in words is "forty-nine billion, nine hundred fifty-one million, eight hundred twenty-nine thousand, four hundred forty-nine".