3220661753 has 2 divisors, whose sum is σ = 3220661754. Its totient is φ = 3220661752.

The previous prime is 3220661737. The next prime is 3220661761. The reversal of 3220661753 is 3571660223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2345271184 + 875390569 = 48428^2 + 29587^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220661753 - 2⁴ = 3220661737 is a prime.

It is not a weakly prime, because it can be changed into another prime (3220661053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610330876 + 1610330877.

It is an arithmetic number, because the mean of its divisors is an integer number (1610330877).

Almost surely, 2^3220661753 is an apocalyptic number.

It is an amenable number.

3220661753 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220661753 is an equidigital number, since it uses as much as digits as its factorization.

3220661753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 3220661753 is about 56750.8744690335. The cubic root of 3220661753 is about 1476.7774039002. Note that the first 3 decimals are identical.

The spelling of 3220661753 in words is "three billion, two hundred twenty million, six hundred sixty-one thousand, seven hundred fifty-three".