4591144854 has 16 divisors (see below), whose sum is σ = 10202544240. Its totient is φ = 1530381600.

The previous prime is 4591144853. The next prime is 4591144861. The reversal of 4591144854 is 4584411954.

4591144854 is a `hidden beast` number, since 4 + 59 + 114 + 485 + 4 = 666.

It is a super-2 number, since 2×4591144854² = 42157222140821362632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4591144853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42510547 + ... + 42510654.

It is an arithmetic number, because the mean of its divisors is an integer number (637659015).

Almost surely, 2^4591144854 is an apocalyptic number.

4591144854 is an abundant number, since it is smaller than the sum of its proper divisors (5611399386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4591144854 is a wasteful number, since it uses less digits than its factorization.

4591144854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85021212 (or 85021206 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 4591144854 is about 67757.9873815626. The cubic root of 4591144854 is about 1662.0356376516.

The spelling of 4591144854 in words is "four billion, five hundred ninety-one million, one hundred forty-four thousand, eight hundred fifty-four".