153544849889 has 2 divisors, whose sum is σ = 153544849890. Its totient is φ = 153544849888.

The previous prime is 153544849873. The next prime is 153544849963. The reversal of 153544849889 is 988948445351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132350440000 + 21194409889 = 363800^2 + 145583^2 .

It is a cyclic number.

It is not a de Polignac number, because 153544849889 - 2⁴ = 153544849873 is a prime.

It is not a weakly prime, because it can be changed into another prime (153544842889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76772424944 + 76772424945.

It is an arithmetic number, because the mean of its divisors is an integer number (76772424945).

Almost surely, 2^153544849889 is an apocalyptic number.

It is an amenable number.

153544849889 is a deficient number, since it is larger than the sum of its proper divisors (1).

153544849889 is an equidigital number, since it uses as much as digits as its factorization.

153544849889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 199065600, while the sum is 68.

The spelling of 153544849889 in words is "one hundred fifty-three billion, five hundred forty-four million, eight hundred forty-nine thousand, eight hundred eighty-nine".