63037311971 has 2 divisors, whose sum is σ = 63037311972. Its totient is φ = 63037311970.

The previous prime is 63037311943. The next prime is 63037311973. The reversal of 63037311971 is 17911373036.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63037311971 is a prime.

Together with 63037311973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63037311973) 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, 31518655985 + 31518655986.

It is an arithmetic number, because the mean of its divisors is an integer number (31518655986).

Almost surely, 2^63037311971 is an apocalyptic number.

63037311971 is a deficient number, since it is larger than the sum of its proper divisors (1).

63037311971 is an equidigital number, since it uses as much as digits as its factorization.

63037311971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The spelling of 63037311971 in words is "sixty-three billion, thirty-seven million, three hundred eleven thousand, nine hundred seventy-one".