101133989549 has 2 divisors, whose sum is σ = 101133989550. Its totient is φ = 101133989548.

The previous prime is 101133989543. The next prime is 101133989573. The reversal of 101133989549 is 945989331101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59316602500 + 41817387049 = 243550^2 + 204493^2 .

It is a cyclic number.

It is not a de Polignac number, because 101133989549 - 2⁸ = 101133989293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101133989549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101133989543) 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, 50566994774 + 50566994775.

It is an arithmetic number, because the mean of its divisors is an integer number (50566994775).

Almost surely, 2^101133989549 is an apocalyptic number.

It is an amenable number.

101133989549 is a deficient number, since it is larger than the sum of its proper divisors (1).

101133989549 is an equidigital number, since it uses as much as digits as its factorization.

101133989549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 101133989549 in words is "one hundred one billion, one hundred thirty-three million, nine hundred eighty-nine thousand, five hundred forty-nine".