2001401369 has 16 divisors (see below), whose sum is σ = 2202984000. Its totient is φ = 1803141120.

The previous prime is 2001401357. The next prime is 2001401393. The reversal of 2001401369 is 9631041002.

It is not a de Polignac number, because 2001401369 - 2²⁴ = 1984624153 is a prime.

It is a super-2 number, since 2×2001401369² = 8011214879670148322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001406369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419737 + ... + 1421145.

It is an arithmetic number, because the mean of its divisors is an integer number (137686500).

Almost surely, 2^2001401369 is an apocalyptic number.

It is an amenable number.

2001401369 is a deficient number, since it is larger than the sum of its proper divisors (201582631).

2001401369 is a wasteful number, since it uses less digits than its factorization.

2001401369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2001401369 is about 44737.0245881418. The cubic root of 2001401369 is about 1260.2152502420.

The spelling of 2001401369 in words is "two billion, one million, four hundred one thousand, three hundred sixty-nine".