4664500091 has 2 divisors, whose sum is σ = 4664500092. Its totient is φ = 4664500090.

The previous prime is 4664500067. The next prime is 4664500097. The reversal of 4664500091 is 1900054664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4664500091 - 2¹⁸ = 4664237947 is a prime.

It is a super-2 number, since 2×4664500091² = 43515122197878016562, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4664500097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332250045 + 2332250046.

It is an arithmetic number, because the mean of its divisors is an integer number (2332250046).

Almost surely, 2^4664500091 is an apocalyptic number.

4664500091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664500091 is an equidigital number, since it uses as much as digits as its factorization.

4664500091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4664500091 is about 68297.1455552866. The cubic root of 4664500091 is about 1670.8406599726.

The spelling of 4664500091 in words is "four billion, six hundred sixty-four million, five hundred thousand, ninety-one".