1098446469049 has 2 divisors, whose sum is σ = 1098446469050. Its totient is φ = 1098446469048.

The previous prime is 1098446469031. The next prime is 1098446469149. The reversal of 1098446469049 is 9409646448901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717951182400 + 380495286649 = 847320^2 + 616843^2 .

It is an emirp because it is prime and its reverse (9409646448901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098446469049 - 2¹³ = 1098446460857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098446469019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549223234524 + 549223234525.

It is an arithmetic number, because the mean of its divisors is an integer number (549223234525).

Almost surely, 2^{1098446469049} is an apocalyptic number.

It is an amenable number.

1098446469049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098446469049 is an equidigital number, since it uses as much as digits as its factorization.

1098446469049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 1098446469049 in words is "one trillion, ninety-eight billion, four hundred forty-six million, four hundred sixty-nine thousand, forty-nine".