2001454879 has 4 divisors (see below), whose sum is σ = 2007974584. Its totient is φ = 1994935176.

The previous prime is 2001454859. The next prime is 2001454883. The reversal of 2001454879 is 9784541002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001454879 - 2²¹ = 1999357727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001454859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3259392 + ... + 3260005.

It is an arithmetic number, because the mean of its divisors is an integer number (501993646).

Almost surely, 2^2001454879 is an apocalyptic number.

2001454879 is a deficient number, since it is larger than the sum of its proper divisors (6519705).

2001454879 is an equidigital number, since it uses as much as digits as its factorization.

2001454879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519704.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2001454879 is about 44737.6226346461. The cubic root of 2001454879 is about 1260.2264812921.

The spelling of 2001454879 in words is "two billion, one million, four hundred fifty-four thousand, eight hundred seventy-nine".