4506686491 has 4 divisors (see below), whose sum is σ = 4511416392. Its totient is φ = 4501956592.

The previous prime is 4506686363. The next prime is 4506686501. The reversal of 4506686491 is 1946866054.

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 4506686491 - 2⁷ = 4506686363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4506680491) 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, 2363521 + ... + 2365426.

It is an arithmetic number, because the mean of its divisors is an integer number (1127854098).

Almost surely, 2^4506686491 is an apocalyptic number.

4506686491 is a deficient number, since it is larger than the sum of its proper divisors (4729901).

4506686491 is an equidigital number, since it uses as much as digits as its factorization.

4506686491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729900.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 4506686491 is about 67131.8589866242. The cubic root of 4506686491 is about 1651.7809348385.

The spelling of 4506686491 in words is "four billion, five hundred six million, six hundred eighty-six thousand, four hundred ninety-one".