3350528010721 has 2 divisors, whose sum is σ = 3350528010722. Its totient is φ = 3350528010720.

The previous prime is 3350528010691. The next prime is 3350528010839. The reversal of 3350528010721 is 1270108250533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134845354321 + 1215682656400 = 1461111^2 + 1102580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3350528010721 - 2¹⁹ = 3350527486433 is a prime.

It is a super-2 number, since 2×3350528010721² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3350528010521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675264005360 + 1675264005361.

It is an arithmetic number, because the mean of its divisors is an integer number (1675264005361).

Almost surely, 2^{3350528010721} is an apocalyptic number.

It is an amenable number.

3350528010721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3350528010721 is an equidigital number, since it uses as much as digits as its factorization.

3350528010721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 3350528010721 in words is "three trillion, three hundred fifty billion, five hundred twenty-eight million, ten thousand, seven hundred twenty-one".