3221612461589 has 2 divisors, whose sum is σ = 3221612461590. Its totient is φ = 3221612461588.

The previous prime is 3221612461547. The next prime is 3221612461597. The reversal of 3221612461589 is 9851642161223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2558185921489 + 663426540100 = 1599433^2 + 814510^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221612461589 - 2²⁸ = 3221344026133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221612461519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610806230794 + 1610806230795.

It is an arithmetic number, because the mean of its divisors is an integer number (1610806230795).

Almost surely, 2^{3221612461589} is an apocalyptic number.

It is an amenable number.

3221612461589 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221612461589 is an equidigital number, since it uses as much as digits as its factorization.

3221612461589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 50.

The spelling of 3221612461589 in words is "three trillion, two hundred twenty-one billion, six hundred twelve million, four hundred sixty-one thousand, five hundred eighty-nine".