49999099541 has 2 divisors, whose sum is σ = 49999099542. Its totient is φ = 49999099540.

The previous prime is 49999099531. The next prime is 49999099573. The reversal of 49999099541 is 14599099994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44287518916 + 5711580625 = 210446^2 + 75575^2 .

It is a cyclic number.

It is not a de Polignac number, because 49999099541 - 2¹⁰ = 49999098517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999099531) 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, 24999549770 + 24999549771.

It is an arithmetic number, because the mean of its divisors is an integer number (24999549771).

Almost surely, 2^49999099541 is an apocalyptic number.

It is an amenable number.

49999099541 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999099541 is an equidigital number, since it uses as much as digits as its factorization.

49999099541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42515280, while the sum is 68.

The spelling of 49999099541 in words is "forty-nine billion, nine hundred ninety-nine million, ninety-nine thousand, five hundred forty-one".