6395906404801 has 4 divisors (see below), whose sum is σ = 6397257752532. Its totient is φ = 6394555057072.

The previous prime is 6395906404781. The next prime is 6395906404819. The reversal of 6395906404801 is 1084046095936.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2697727410576 + 3698178994225 = 1642476^2 + 1923065^2 .

It is a cyclic number.

It is not a de Polignac number, because 6395906404801 - 2¹³ = 6395906396609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6395906104801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675666766 + ... + 675676231.

It is an arithmetic number, because the mean of its divisors is an integer number (1599314438133).

Almost surely, 2^{6395906404801} is an apocalyptic number.

It is an amenable number.

6395906404801 is a deficient number, since it is larger than the sum of its proper divisors (1351347731).

6395906404801 is a wasteful number, since it uses less digits than its factorization.

6395906404801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351347730.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 6395906404801 in words is "six trillion, three hundred ninety-five billion, nine hundred six million, four hundred four thousand, eight hundred one".