3489528184921 has 2 divisors, whose sum is σ = 3489528184922. Its totient is φ = 3489528184920.

The previous prime is 3489528184897. The next prime is 3489528184939. The reversal of 3489528184921 is 1294818259843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1835374657600 + 1654153527321 = 1354760^2 + 1286139^2 .

It is an emirp because it is prime and its reverse (1294818259843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3489528184921 - 2¹¹ = 3489528182873 is a prime.

It is not a weakly prime, because it can be changed into another prime (3489528184321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744764092460 + 1744764092461.

It is an arithmetic number, because the mean of its divisors is an integer number (1744764092461).

Almost surely, 2^{3489528184921} is an apocalyptic number.

It is an amenable number.

3489528184921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3489528184921 is an equidigital number, since it uses as much as digits as its factorization.

3489528184921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39813120, while the sum is 64.

The spelling of 3489528184921 in words is "three trillion, four hundred eighty-nine billion, five hundred twenty-eight million, one hundred eighty-four thousand, nine hundred twenty-one".