4352881685 has 4 divisors (see below), whose sum is σ = 5223458028. Its totient is φ = 3482305344.

The previous prime is 4352881669. The next prime is 4352881691. The reversal of 4352881685 is 5861882534.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2442929476 + 1909952209 = 49426^2 + 43703^2 .

It is a cyclic number.

It is not a de Polignac number, because 4352881685 - 2⁴ = 4352881669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435288164 + ... + 435288173.

It is an arithmetic number, because the mean of its divisors is an integer number (1305864507).

Almost surely, 2^4352881685 is an apocalyptic number.

It is an amenable number.

4352881685 is a deficient number, since it is larger than the sum of its proper divisors (870576343).

4352881685 is an equidigital number, since it uses as much as digits as its factorization.

4352881685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870576342.

The product of its digits is 1843200, while the sum is 50.

The square root of 4352881685 is about 65976.3721721648. The cubic root of 4352881685 is about 1632.7722886554.

The spelling of 4352881685 in words is "four billion, three hundred fifty-two million, eight hundred eighty-one thousand, six hundred eighty-five".