4720345509 has 16 divisors (see below), whose sum is σ = 6867569664. Its totient is φ = 2860143600.

The previous prime is 4720345507. The next prime is 4720345523. The reversal of 4720345509 is 9055430274.

It is not a de Polignac number, because 4720345509 - 2¹ = 4720345507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720345507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150804 + ... + 179394.

It is an arithmetic number, because the mean of its divisors is an integer number (429223104).

Almost surely, 2^4720345509 is an apocalyptic number.

It is an amenable number.

4720345509 is a deficient number, since it is larger than the sum of its proper divisors (2147224155).

4720345509 is a wasteful number, since it uses less digits than its factorization.

4720345509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33608.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 4720345509 is about 68704.7706422196. The cubic root of 4720345509 is about 1677.4822344669.

The spelling of 4720345509 in words is "four billion, seven hundred twenty million, three hundred forty-five thousand, five hundred nine".