50530356649 has 2 divisors, whose sum is σ = 50530356650. Its totient is φ = 50530356648.

The previous prime is 50530356559. The next prime is 50530356673. The reversal of 50530356649 is 94665303505.

It is a happy number.

50530356649 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., 32195842624 + 18334514025 = 179432^2 + 135405^2 .

It is a cyclic number.

It is not a de Polignac number, because 50530356649 - 2³³ = 41940422057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50530356599 and 50530356608.

It is not a weakly prime, because it can be changed into another prime (50530356689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25265178324 + 25265178325.

It is an arithmetic number, because the mean of its divisors is an integer number (25265178325).

Almost surely, 2^50530356649 is an apocalyptic number.

It is an amenable number.

50530356649 is a deficient number, since it is larger than the sum of its proper divisors (1).

50530356649 is an equidigital number, since it uses as much as digits as its factorization.

50530356649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 50530356649 in words is "fifty billion, five hundred thirty million, three hundred fifty-six thousand, six hundred forty-nine".