1022450134549 has 2 divisors, whose sum is σ = 1022450134550. Its totient is φ = 1022450134548.

The previous prime is 1022450134513. The next prime is 1022450134553. The reversal of 1022450134549 is 9454310542201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 876826232100 + 145623902449 = 936390^2 + 381607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022450134549 - 2²¹ = 1022448037397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022450114549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511225067274 + 511225067275.

It is an arithmetic number, because the mean of its divisors is an integer number (511225067275).

Almost surely, 2^{1022450134549} is an apocalyptic number.

It is an amenable number.

1022450134549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022450134549 is an equidigital number, since it uses as much as digits as its factorization.

1022450134549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1022450134549 in words is "one trillion, twenty-two billion, four hundred fifty million, one hundred thirty-four thousand, five hundred forty-nine".