6481964409151 has 16 divisors (see below), whose sum is σ = 8233889614848. Its totient is φ = 4955581706400.

The previous prime is 6481964409133. The next prime is 6481964409209. The reversal of 6481964409151 is 1519044691846.

It is a cyclic number.

It is not a de Polignac number, because 6481964409151 - 2⁵ = 6481964409119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6481964439151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794159655 + ... + 794167816.

It is an arithmetic number, because the mean of its divisors is an integer number (514618100928).

Almost surely, 2^{6481964409151} is an apocalyptic number.

6481964409151 is a deficient number, since it is larger than the sum of its proper divisors (1751925205697).

6481964409151 is a wasteful number, since it uses less digits than its factorization.

6481964409151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588327542.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 6481964409151 in words is "six trillion, four hundred eighty-one billion, nine hundred sixty-four million, four hundred nine thousand, one hundred fifty-one".