49144913941309 has 2 divisors, whose sum is σ = 49144913941310. Its totient is φ = 49144913941308.

The previous prime is 49144913941219. The next prime is 49144913941393. The reversal of 49144913941309 is 90314931944194.

It is a happy number.

49144913941309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49113115205625 + 31798735684 = 7008075^2 + 178322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49144913941309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49144913641309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24572456970654 + 24572456970655.

It is an arithmetic number, because the mean of its divisors is an integer number (24572456970655).

Almost surely, 2^{49144913941309} is an apocalyptic number.

It is an amenable number.

49144913941309 is a deficient number, since it is larger than the sum of its proper divisors (1).

49144913941309 is an equidigital number, since it uses as much as digits as its factorization.

49144913941309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 49144913941309 in words is "forty-nine trillion, one hundred forty-four billion, nine hundred thirteen million, nine hundred forty-one thousand, three hundred nine".