3521075869 has 2 divisors, whose sum is σ = 3521075870. Its totient is φ = 3521075868.

The previous prime is 3521075867. The next prime is 3521075879. The reversal of 3521075869 is 9685701253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2854764900 + 666310969 = 53430^2 + 25813^2 .

It is an emirp because it is prime and its reverse (9685701253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3521075869 - 2¹ = 3521075867 is a prime.

It is a super-2 number, since 2×3521075869² = 24795950550508210322, which contains 22 as substring.

Together with 3521075867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521075867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760537934 + 1760537935.

It is an arithmetic number, because the mean of its divisors is an integer number (1760537935).

Almost surely, 2^3521075869 is an apocalyptic number.

It is an amenable number.

3521075869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521075869 is an equidigital number, since it uses as much as digits as its factorization.

3521075869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 3521075869 is about 59338.6540882080. The cubic root of 3521075869 is about 1521.3359487699.

The spelling of 3521075869 in words is "three billion, five hundred twenty-one million, seventy-five thousand, eight hundred sixty-nine".