63984049 has 2 divisors, whose sum is σ = 63984050. Its totient is φ = 63984048.

The previous prime is 63984023. The next prime is 63984079. The reversal of 63984049 is 94048936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54863649 + 9120400 = 7407^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 63984049 - 2⁵ = 63984017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63983996 and 63984014.

It is not a weakly prime, because it can be changed into another prime (63984079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31992024 + 31992025.

It is an arithmetic number, because the mean of its divisors is an integer number (31992025).

Almost surely, 2^63984049 is an apocalyptic number.

It is an amenable number.

63984049 is a deficient number, since it is larger than the sum of its proper divisors (1).

63984049 is an equidigital number, since it uses as much as digits as its factorization.

63984049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 63984049 is about 7999.0030003745. The cubic root of 63984049 is about 399.9667659888.

The spelling of 63984049 in words is "sixty-three million, nine hundred eighty-four thousand, forty-nine".