4656505091 has 4 divisors (see below), whose sum is σ = 5321720112. Its totient is φ = 3991290072.

The previous prime is 4656505039. The next prime is 4656505097. The reversal of 4656505091 is 1905056564.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4656505091 - 2⁶ = 4656505027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4656505097) 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, 332607500 + ... + 332607513.

It is an arithmetic number, because the mean of its divisors is an integer number (1330430028).

Almost surely, 2^4656505091 is an apocalyptic number.

4656505091 is a deficient number, since it is larger than the sum of its proper divisors (665215021).

4656505091 is an equidigital number, since it uses as much as digits as its factorization.

4656505091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665215020.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 4656505091 is about 68238.5894564066. The cubic root of 4656505091 is about 1669.8855014905.

The spelling of 4656505091 in words is "four billion, six hundred fifty-six million, five hundred five thousand, ninety-one".