1149346469389 has 2 divisors, whose sum is σ = 1149346469390. Its totient is φ = 1149346469388.

The previous prime is 1149346469371. The next prime is 1149346469429. The reversal of 1149346469389 is 9839646439411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886544649225 + 262801820164 = 941565^2 + 512642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149346469389 - 2⁵ = 1149346469357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149346463389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574673234694 + 574673234695.

It is an arithmetic number, because the mean of its divisors is an integer number (574673234695).

Almost surely, 2^{1149346469389} is an apocalyptic number.

It is an amenable number.

1149346469389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149346469389 is an equidigital number, since it uses as much as digits as its factorization.

1149346469389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 67.

The spelling of 1149346469389 in words is "one trillion, one hundred forty-nine billion, three hundred forty-six million, four hundred sixty-nine thousand, three hundred eighty-nine".