6491376320001 has 16 divisors (see below), whose sum is σ = 8705725392000. Its totient is φ = 4302379323648.

The previous prime is 6491376319919. The next prime is 6491376320027. The reversal of 6491376320001 is 1000236731946.

It is not a de Polignac number, because 6491376320001 - 2²² = 6491372125697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6491376320201) 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 in 15 ways as a sum of consecutive naturals, for example, 8845941 + ... + 9551618.

It is an arithmetic number, because the mean of its divisors is an integer number (544107837000).

Almost surely, 2^{6491376320001} is an apocalyptic number.

It is an amenable number.

6491376320001 is a deficient number, since it is larger than the sum of its proper divisors (2214349071999).

6491376320001 is a wasteful number, since it uses less digits than its factorization.

6491376320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398248.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 6491376320001 in words is "six trillion, four hundred ninety-one billion, three hundred seventy-six million, three hundred twenty thousand, one".