2001469191 has 24 divisors (see below), whose sum is σ = 2794846320. Its totient is φ = 1272402432.

The previous prime is 2001469189. The next prime is 2001469193. The reversal of 2001469191 is 1919641002.

It is an interprime number because it is at equal distance from previous prime (2001469189) and next prime (2001469193).

It is not a de Polignac number, because 2001469191 - 2¹ = 2001469189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001469193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4109550 + ... + 4110036.

It is an arithmetic number, because the mean of its divisors is an integer number (116451930).

Almost surely, 2^2001469191 is an apocalyptic number.

2001469191 is a deficient number, since it is larger than the sum of its proper divisors (793377129).

2001469191 is an frugal number, since it uses more digits than its factorization.

2001469191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 2001469191 is about 44737.7825892165. The cubic root of 2001469191 is about 1260.2294851600.

The spelling of 2001469191 in words is "two billion, one million, four hundred sixty-nine thousand, one hundred ninety-one".