2001454859 has 2 divisors, whose sum is σ = 2001454860. Its totient is φ = 2001454858.

The previous prime is 2001454853. The next prime is 2001454883. The reversal of 2001454859 is 9584541002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001454859 - 2⁴ = 2001454843 is a prime.

It is a super-2 number, since 2×2001454859² = 8011643105229419762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2001454853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000727429 + 1000727430.

It is an arithmetic number, because the mean of its divisors is an integer number (1000727430).

Almost surely, 2^2001454859 is an apocalyptic number.

2001454859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001454859 is an equidigital number, since it uses as much as digits as its factorization.

2001454859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2001454859 is about 44737.6224111206. The cubic root of 2001454859 is about 1260.2264770944.

The spelling of 2001454859 in words is "two billion, one million, four hundred fifty-four thousand, eight hundred fifty-nine".