10243042001 has 4 divisors (see below), whose sum is σ = 10519881012. Its totient is φ = 9966202992.

The previous prime is 10243041967. The next prime is 10243042003. The reversal of 10243042001 is 10024034201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10024034201 = 73 ⋅137315537.

It can be written as a sum of positive squares in 2 ways, for example, as 7131633601 + 3111408400 = 84449^2 + 55780^2 .

It is a cyclic number.

It is not a de Polignac number, because 10243042001 - 2⁶ = 10243041937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243042003) 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, 138419450 + ... + 138419523.

It is an arithmetic number, because the mean of its divisors is an integer number (2629970253).

Almost surely, 2^10243042001 is an apocalyptic number.

It is an amenable number.

10243042001 is a deficient number, since it is larger than the sum of its proper divisors (276839011).

10243042001 is an equidigital number, since it uses as much as digits as its factorization.

10243042001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276839010.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10243042001 its reverse (10024034201), we get a palindrome (20267076202).

The spelling of 10243042001 in words is "ten billion, two hundred forty-three million, forty-two thousand, one".