2001010393 has 2 divisors, whose sum is σ = 2001010394. Its totient is φ = 2001010392.

The previous prime is 2001010379. The next prime is 2001010421. The reversal of 2001010393 is 3930101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1714622464 + 286387929 = 41408^2 + 16923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001010393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001010393.

It is not a weakly prime, because it can be changed into another prime (2001010093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505196 + 1000505197.

It is an arithmetic number, because the mean of its divisors is an integer number (1000505197).

Almost surely, 2^2001010393 is an apocalyptic number.

It is an amenable number.

2001010393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001010393 is an equidigital number, since it uses as much as digits as its factorization.

2001010393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 2001010393 is about 44732.6546607733. The cubic root of 2001010393 is about 1260.1331834107.

Adding to 2001010393 its reverse (3930101002), we get a palindrome (5931111395).

It can be divided in two parts, 20010 and 10393, that added together give a palindrome (30403).

The spelling of 2001010393 in words is "two billion, one million, ten thousand, three hundred ninety-three".