2001403400001 has 8 divisors (see below), whose sum is σ = 2676097465440. Its totient is φ = 1330489133952.

The previous prime is 2001403399991. The next prime is 2001403400023. The reversal of 2001403400001 is 1000043041002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001403400001 - 2⁷ = 2001403399873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001403480001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944948611 + ... + 944950728.

It is an arithmetic number, because the mean of its divisors is an integer number (334512183180).

Almost surely, 2^{2001403400001} is an apocalyptic number.

It is an amenable number.

2001403400001 is a deficient number, since it is larger than the sum of its proper divisors (674694065439).

2001403400001 is a wasteful number, since it uses less digits than its factorization.

2001403400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889899695.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2001403400001 its reverse (1000043041002), we get a palindrome (3001446441003).

The spelling of 2001403400001 in words is "two trillion, one billion, four hundred three million, four hundred thousand, one".