4640964191 has 8 divisors (see below), whose sum is σ = 4653131184. Its totient is φ = 4628814400.

The previous prime is 4640964169. The next prime is 4640964197. The reversal of 4640964191 is 1914690464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4640964191 - 2¹⁰ = 4640963167 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 (4640964197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664580 + ... + 671526.

It is an arithmetic number, because the mean of its divisors is an integer number (581641398).

Almost surely, 2^4640964191 is an apocalyptic number.

4640964191 is a deficient number, since it is larger than the sum of its proper divisors (12166993).

4640964191 is an equidigital number, since it uses as much as digits as its factorization.

4640964191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 4640964191 is about 68124.6225017064. The cubic root of 4640964191 is about 1668.0257055379.

The spelling of 4640964191 in words is "four billion, six hundred forty million, nine hundred sixty-four thousand, one hundred ninety-one".