49555405090013 has 2 divisors, whose sum is σ = 49555405090014. Its totient is φ = 49555405090012.

The previous prime is 49555405089979. The next prime is 49555405090129. The reversal of 49555405090013 is 31009050455594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36164804183524 + 13390600906489 = 6013718^2 + 3659317^2 .

It is a cyclic number.

It is not a de Polignac number, because 49555405090013 - 2¹⁰ = 49555405088989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49555405090313) 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, 24777702545006 + 24777702545007.

It is an arithmetic number, because the mean of its divisors is an integer number (24777702545007).

Almost surely, 2^{49555405090013} is an apocalyptic number.

It is an amenable number.

49555405090013 is a deficient number, since it is larger than the sum of its proper divisors (1).

49555405090013 is an equidigital number, since it uses as much as digits as its factorization.

49555405090013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 49555405090013 in words is "forty-nine trillion, five hundred fifty-five billion, four hundred five million, ninety thousand, thirteen".