63053970191 has 2 divisors, whose sum is σ = 63053970192. Its totient is φ = 63053970190.

The previous prime is 63053970169. The next prime is 63053970251. The reversal of 63053970191 is 19107935036.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63053970191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63053970391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31526985095 + 31526985096.

It is an arithmetic number, because the mean of its divisors is an integer number (31526985096).

Almost surely, 2^63053970191 is an apocalyptic number.

63053970191 is a deficient number, since it is larger than the sum of its proper divisors (1).

63053970191 is an equidigital number, since it uses as much as digits as its factorization.

63053970191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The spelling of 63053970191 in words is "sixty-three billion, fifty-three million, nine hundred seventy thousand, one hundred ninety-one".