6401242001 has 16 divisors (see below), whose sum is σ = 8022139008. Its totient is φ = 4962124800.

The previous prime is 6401241991. The next prime is 6401242021. The reversal of 6401242001 is 1002421046.

It is a cyclic number.

It is not a de Polignac number, because 6401242001 - 2¹⁴ = 6401225617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401242021) 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, 200510 + ... + 230231.

It is an arithmetic number, because the mean of its divisors is an integer number (501383688).

Almost surely, 2^6401242001 is an apocalyptic number.

It is an amenable number.

6401242001 is a deficient number, since it is larger than the sum of its proper divisors (1620897007).

6401242001 is a wasteful number, since it uses less digits than its factorization.

6401242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430952.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 6401242001 is about 80007.7621296834. The cubic root of 6401242001 is about 1856.7556268847.

Adding to 6401242001 its reverse (1002421046), we get a palindrome (7403663047).

The spelling of 6401242001 in words is "six billion, four hundred one million, two hundred forty-two thousand, one".