1021410089549 has 2 divisors, whose sum is σ = 1021410089550. Its totient is φ = 1021410089548.

The previous prime is 1021410089543. The next prime is 1021410089647. The reversal of 1021410089549 is 9459800141201.

1021410089549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997038196324 + 24371893225 = 998518^2 + 156115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021410089549 - 2³⁶ = 952690612813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021410089543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510705044774 + 510705044775.

It is an arithmetic number, because the mean of its divisors is an integer number (510705044775).

Almost surely, 2^{1021410089549} is an apocalyptic number.

It is an amenable number.

1021410089549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021410089549 is an equidigital number, since it uses as much as digits as its factorization.

1021410089549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 1021410089549 in words is "one trillion, twenty-one billion, four hundred ten million, eighty-nine thousand, five hundred forty-nine".