4791466591 has 4 divisors (see below), whose sum is σ = 4791605632. Its totient is φ = 4791327552.

The previous prime is 4791466553. The next prime is 4791466597. The reversal of 4791466591 is 1956641974.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4791466591 - 2⁹ = 4791466079 is a prime.

It is a super-2 number, since 2×4791466591² = 45916304185338322562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791466597) 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, 25090 + ... + 101056.

It is an arithmetic number, because the mean of its divisors is an integer number (1197901408).

Almost surely, 2^4791466591 is an apocalyptic number.

4791466591 is a deficient number, since it is larger than the sum of its proper divisors (139041).

4791466591 is an equidigital number, since it uses as much as digits as its factorization.

4791466591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139040.

The product of its digits is 1632960, while the sum is 52.

The square root of 4791466591 is about 69220.4203324424. The cubic root of 4791466591 is about 1685.8651048740.

The spelling of 4791466591 in words is "four billion, seven hundred ninety-one million, four hundred sixty-six thousand, five hundred ninety-one".