63340325291 has 2 divisors, whose sum is σ = 63340325292. Its totient is φ = 63340325290.

The previous prime is 63340325287. The next prime is 63340325311. The reversal of 63340325291 is 19252304336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63340325291 - 2² = 63340325287 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63340325791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31670162645 + 31670162646.

It is an arithmetic number, because the mean of its divisors is an integer number (31670162646).

Almost surely, 2^63340325291 is an apocalyptic number.

63340325291 is a deficient number, since it is larger than the sum of its proper divisors (1).

63340325291 is an equidigital number, since it uses as much as digits as its factorization.

63340325291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 63340325291 in words is "sixty-three billion, three hundred forty million, three hundred twenty-five thousand, two hundred ninety-one".