4791340221 has 32 divisors (see below), whose sum is σ = 6563246592. Its totient is φ = 3108188160.

The previous prime is 4791340159. The next prime is 4791340277. The reversal of 4791340221 is 1220431974.

It is not a de Polignac number, because 4791340221 - 2⁶ = 4791340157 is a prime.

It is a super-2 number, since 2×4791340221² = 45913882226744657682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791340321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10348236 + ... + 10348698.

It is an arithmetic number, because the mean of its divisors is an integer number (205101456).

Almost surely, 2^4791340221 is an apocalyptic number.

It is an amenable number.

4791340221 is a deficient number, since it is larger than the sum of its proper divisors (1771906371).

4791340221 is a wasteful number, since it uses less digits than its factorization.

4791340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4791340221 is about 69219.5075177511. The cubic root of 4791340221 is about 1685.8502837581.

The spelling of 4791340221 in words is "four billion, seven hundred ninety-one million, three hundred forty thousand, two hundred twenty-one".