4634217664591 has 2 divisors, whose sum is σ = 4634217664592. Its totient is φ = 4634217664590.

The previous prime is 4634217664529. The next prime is 4634217664651. The reversal of 4634217664591 is 1954667124364.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4634217664591 - 2¹³ = 4634217656399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4634217664091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2317108832295 + 2317108832296.

It is an arithmetic number, because the mean of its divisors is an integer number (2317108832296).

Almost surely, 2^{4634217664591} is an apocalyptic number.

4634217664591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4634217664591 is an equidigital number, since it uses as much as digits as its factorization.

4634217664591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 58.

The spelling of 4634217664591 in words is "four trillion, six hundred thirty-four billion, two hundred seventeen million, six hundred sixty-four thousand, five hundred ninety-one".