4734865221 has 4 divisors (see below), whose sum is σ = 6313153632. Its totient is φ = 3156576812.

The previous prime is 4734865207. The next prime is 4734865229. The reversal of 4734865221 is 1225684374.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4734865221 is a prime.

It is a super-2 number, since 2×4734865221² = 44837897322070757682, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4734865229) 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, 789144201 + ... + 789144206.

It is an arithmetic number, because the mean of its divisors is an integer number (1578288408).

Almost surely, 2^4734865221 is an apocalyptic number.

It is an amenable number.

4734865221 is a deficient number, since it is larger than the sum of its proper divisors (1578288411).

4734865221 is a wasteful number, since it uses less digits than its factorization.

4734865221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578288410.

The product of its digits is 322560, while the sum is 42.

The square root of 4734865221 is about 68810.3569312062. The cubic root of 4734865221 is about 1679.2004440064.

The spelling of 4734865221 in words is "four billion, seven hundred thirty-four million, eight hundred sixty-five thousand, two hundred twenty-one".