10385809001 has 4 divisors (see below), whose sum is σ = 10393672404. Its totient is φ = 10377945600.

The previous prime is 10385808977. The next prime is 10385809009. The reversal of 10385809001 is 10090858301.

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 9374886976 + 1010922025 = 96824^2 + 31795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10385809001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10385809009) 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, 3929720 + ... + 3932361.

It is an arithmetic number, because the mean of its divisors is an integer number (2598418101).

Almost surely, 2^10385809001 is an apocalyptic number.

It is an amenable number.

10385809001 is a deficient number, since it is larger than the sum of its proper divisors (7863403).

10385809001 is an equidigital number, since it uses as much as digits as its factorization.

10385809001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863402.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 10385809001 in words is "ten billion, three hundred eighty-five million, eight hundred nine thousand, one".