63511237963 has 2 divisors, whose sum is σ = 63511237964. Its totient is φ = 63511237962.

The previous prime is 63511237949. The next prime is 63511237973. The reversal of 63511237963 is 36973211536.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63511237963 is a prime.

It is not a weakly prime, because it can be changed into another prime (63511237973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31755618981 + 31755618982.

It is an arithmetic number, because the mean of its divisors is an integer number (31755618982).

Almost surely, 2^63511237963 is an apocalyptic number.

63511237963 is a deficient number, since it is larger than the sum of its proper divisors (1).

63511237963 is an equidigital number, since it uses as much as digits as its factorization.

63511237963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 46.

The spelling of 63511237963 in words is "sixty-three billion, five hundred eleven million, two hundred thirty-seven thousand, nine hundred sixty-three".