63304149877 has 2 divisors, whose sum is σ = 63304149878. Its totient is φ = 63304149876.

The previous prime is 63304149863. The next prime is 63304149911. The reversal of 63304149877 is 77894140336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57181243876 + 6122906001 = 239126^2 + 78249^2 .

It is a cyclic number.

It is not a de Polignac number, because 63304149877 - 2³¹ = 61156666229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63304149827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31652074938 + 31652074939.

It is an arithmetic number, because the mean of its divisors is an integer number (31652074939).

Almost surely, 2^63304149877 is an apocalyptic number.

It is an amenable number.

63304149877 is a deficient number, since it is larger than the sum of its proper divisors (1).

63304149877 is an equidigital number, since it uses as much as digits as its factorization.

63304149877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 63304149877 in words is "sixty-three billion, three hundred four million, one hundred forty-nine thousand, eight hundred seventy-seven".