6464520516151 has 2 divisors, whose sum is σ = 6464520516152. Its totient is φ = 6464520516150.

The previous prime is 6464520516143. The next prime is 6464520516161. The reversal of 6464520516151 is 1516150254646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6464520516151 - 2³ = 6464520516143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6464520516161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232260258075 + 3232260258076.

It is an arithmetic number, because the mean of its divisors is an integer number (3232260258076).

Almost surely, 2^{6464520516151} is an apocalyptic number.

6464520516151 is a deficient number, since it is larger than the sum of its proper divisors (1).

6464520516151 is an equidigital number, since it uses as much as digits as its factorization.

6464520516151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 6464520516151 in words is "six trillion, four hundred sixty-four billion, five hundred twenty million, five hundred sixteen thousand, one hundred fifty-one".