63339438137 has 2 divisors, whose sum is σ = 63339438138. Its totient is φ = 63339438136.

The previous prime is 63339438133. The next prime is 63339438143. The reversal of 63339438137 is 73183493336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61688153641 + 1651284496 = 248371^2 + 40636^2 .

It is a cyclic number.

It is not a de Polignac number, because 63339438137 - 2² = 63339438133 is a prime.

It is not a weakly prime, because it can be changed into another prime (63339438133) 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, 31669719068 + 31669719069.

It is an arithmetic number, because the mean of its divisors is an integer number (31669719069).

Almost surely, 2^63339438137 is an apocalyptic number.

It is an amenable number.

63339438137 is a deficient number, since it is larger than the sum of its proper divisors (1).

63339438137 is an equidigital number, since it uses as much as digits as its factorization.

63339438137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 50.

The spelling of 63339438137 in words is "sixty-three billion, three hundred thirty-nine million, four hundred thirty-eight thousand, one hundred thirty-seven".