6395920411651 has 12 divisors (see below), whose sum is σ = 6478963003632. Its totient is φ = 6313929236784.

The previous prime is 6395920411603. The next prime is 6395920411679. The reversal of 6395920411651 is 1561140295936.

It is not a de Polignac number, because 6395920411651 - 2¹⁹ = 6395919887363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6395900411651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39693490 + ... + 39854296.

It is an arithmetic number, because the mean of its divisors is an integer number (539913583636).

Almost surely, 2^{6395920411651} is an apocalyptic number.

6395920411651 is a deficient number, since it is larger than the sum of its proper divisors (83042591981).

6395920411651 is an equidigital number, since it uses as much as digits as its factorization.

6395920411651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167338 (or 167259 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 6395920411651 in words is "six trillion, three hundred ninety-five billion, nine hundred twenty million, four hundred eleven thousand, six hundred fifty-one".