63240711091 has 2 divisors, whose sum is σ = 63240711092. Its totient is φ = 63240711090.

The previous prime is 63240711077. The next prime is 63240711097. The reversal of 63240711091 is 19011704236.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63240711091 - 2⁹ = 63240710579 is a prime.

It is not a weakly prime, because it can be changed into another prime (63240711097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31620355545 + 31620355546.

It is an arithmetic number, because the mean of its divisors is an integer number (31620355546).

Almost surely, 2^63240711091 is an apocalyptic number.

63240711091 is a deficient number, since it is larger than the sum of its proper divisors (1).

63240711091 is an equidigital number, since it uses as much as digits as its factorization.

63240711091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 63240711091 in words is "sixty-three billion, two hundred forty million, seven hundred eleven thousand, ninety-one".