49555469343749 has 2 divisors, whose sum is σ = 49555469343750. Its totient is φ = 49555469343748.

The previous prime is 49555469343719. The next prime is 49555469343773. The reversal of 49555469343749 is 94734396455594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43447305382849 + 6108163960900 = 6591457^2 + 2471470^2 .

It is a cyclic number.

It is not a de Polignac number, because 49555469343749 - 2³⁶ = 49486749867013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49555469343749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49555469343719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24777734671874 + 24777734671875.

It is an arithmetic number, because the mean of its divisors is an integer number (24777734671875).

Almost surely, 2^{49555469343749} is an apocalyptic number.

It is an amenable number.

49555469343749 is a deficient number, since it is larger than the sum of its proper divisors (1).

49555469343749 is an equidigital number, since it uses as much as digits as its factorization.

49555469343749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984000, while the sum is 77.

The spelling of 49555469343749 in words is "forty-nine trillion, five hundred fifty-five billion, four hundred sixty-nine million, three hundred forty-three thousand, seven hundred forty-nine".