2001400236741 has 4 divisors (see below), whose sum is σ = 2668533648992. Its totient is φ = 1334266824492.

The previous prime is 2001400236739. The next prime is 2001400236799. The reversal of 2001400236741 is 1476320041002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2001400236741 - 2¹ = 2001400236739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001400236699 and 2001400236708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001400235741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333566706121 + ... + 333566706126.

It is an arithmetic number, because the mean of its divisors is an integer number (667133412248).

Almost surely, 2^{2001400236741} is an apocalyptic number.

It is an amenable number.

2001400236741 is a deficient number, since it is larger than the sum of its proper divisors (667133412251).

2001400236741 is an equidigital number, since it uses as much as digits as its factorization.

2001400236741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667133412250.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 2001400236741 its reverse (1476320041002), we get a palindrome (3477720277743).

The spelling of 2001400236741 in words is "two trillion, one billion, four hundred million, two hundred thirty-six thousand, seven hundred forty-one".