63826408049 has 2 divisors, whose sum is σ = 63826408050. Its totient is φ = 63826408048.

The previous prime is 63826408001. The next prime is 63826408057. The reversal of 63826408049 is 94080462836.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60720352225 + 3106055824 = 246415^2 + 55732^2 .

It is a cyclic number.

It is not a de Polignac number, because 63826408049 - 2⁸ = 63826407793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63826407988 and 63826408006.

It is not a weakly prime, because it can be changed into another prime (63826408549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31913204024 + 31913204025.

It is an arithmetic number, because the mean of its divisors is an integer number (31913204025).

Almost surely, 2^63826408049 is an apocalyptic number.

It is an amenable number.

63826408049 is a deficient number, since it is larger than the sum of its proper divisors (1).

63826408049 is an equidigital number, since it uses as much as digits as its factorization.

63826408049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 63826408049 in words is "sixty-three billion, eight hundred twenty-six million, four hundred eight thousand, forty-nine".