2001492471 has 32 divisors (see below), whose sum is σ = 3096172800. Its totient is φ = 1137300480.

The previous prime is 2001492439. The next prime is 2001492481. The reversal of 2001492471 is 1742941002.

It is not a de Polignac number, because 2001492471 - 2⁵ = 2001492439 is a prime.

It is a super-3 number, since 3×2001492471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001492481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44365 + ... + 77273.

It is an arithmetic number, because the mean of its divisors is an integer number (96755400).

Almost surely, 2^2001492471 is an apocalyptic number.

2001492471 is a deficient number, since it is larger than the sum of its proper divisors (1094680329).

2001492471 is a wasteful number, since it uses less digits than its factorization.

2001492471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33039.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2001492471 is about 44738.0427712255. The cubic root of 2001492471 is about 1260.2343712422.

The spelling of 2001492471 in words is "two billion, one million, four hundred ninety-two thousand, four hundred seventy-one".