2001400034 has 4 divisors (see below), whose sum is σ = 3002100054. Its totient is φ = 1000700016.

The previous prime is 2001400007. The next prime is 2001400061. The reversal of 2001400034 is 4300041002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4300041002 = 2 ⋅2150020501.

It is an interprime number because it is at equal distance from previous prime (2001400007) and next prime (2001400061).

It can be written as a sum of positive squares in only one way, i.e., 1354460809 + 646939225 = 36803^2 + 25435^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2001399991 and 2001400018.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500350007 + ... + 500350010.

Almost surely, 2^2001400034 is an apocalyptic number.

2001400034 is a deficient number, since it is larger than the sum of its proper divisors (1000700020).

2001400034 is a wasteful number, since it uses less digits than its factorization.

2001400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000700019.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2001400034 is about 44737.0096676119. The cubic root of 2001400034 is about 1260.2149700404.

Adding to 2001400034 its reverse (4300041002), we get a palindrome (6301441036).

The spelling of 2001400034 in words is "two billion, one million, four hundred thousand, thirty-four".