63408891220151 has 2 divisors, whose sum is σ = 63408891220152. Its totient is φ = 63408891220150.

The previous prime is 63408891220141. The next prime is 63408891220201. The reversal of 63408891220151 is 15102219880436.

It is an a-pointer prime, because the next prime (63408891220201) can be obtained adding 63408891220151 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63408891220151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63408891220151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63408891220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31704445610075 + 31704445610076.

It is an arithmetic number, because the mean of its divisors is an integer number (31704445610076).

Almost surely, 2^{63408891220151} is an apocalyptic number.

63408891220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

63408891220151 is an equidigital number, since it uses as much as digits as its factorization.

63408891220151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 63408891220151 in words is "sixty-three trillion, four hundred eight billion, eight hundred ninety-one million, two hundred twenty thousand, one hundred fifty-one".