3350560721 has 2 divisors, whose sum is σ = 3350560722. Its totient is φ = 3350560720.

The previous prime is 3350560709. The next prime is 3350560751. The reversal of 3350560721 is 1270650533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1871773696 + 1478787025 = 43264^2 + 38455^2 .

It is a cyclic number.

It is not a de Polignac number, because 3350560721 - 2¹⁰ = 3350559697 is a prime.

It is a super-2 number, since 2×3350560721² = 22452514290216079682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3350560751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675280360 + 1675280361.

It is an arithmetic number, because the mean of its divisors is an integer number (1675280361).

Almost surely, 2^3350560721 is an apocalyptic number.

It is an amenable number.

3350560721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3350560721 is an equidigital number, since it uses as much as digits as its factorization.

3350560721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3350560721 is about 57884.0282029508. The cubic root of 3350560721 is about 1496.3705914191.

The spelling of 3350560721 in words is "three billion, three hundred fifty million, five hundred sixty thousand, seven hundred twenty-one".