153818486809 has 9 divisors (see below), whose sum is σ = 166566367773. Its totient is φ = 141981589152.

The previous prime is 153818486803. The next prime is 153818486839. The reversal of 153818486809 is 908684818351.

The square root of 153818486809 is 392197.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 14370015625 + 139448471184 = 119875^2 + 373428^2 .

It is not a de Polignac number, because 153818486809 - 2³¹ = 151671003161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153818486803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5083477 + ... + 5113645.

It is an arithmetic number, because the mean of its divisors is an integer number (18507374197).

Almost surely, 2^153818486809 is an apocalyptic number.

153818486809 is the 392197-th square number.

153818486809 is the 196099-th centered octagonal number.

It is an amenable number.

153818486809 is a deficient number, since it is larger than the sum of its proper divisors (12747880964).

153818486809 is an frugal number, since it uses more digits than its factorization.

153818486809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60364 (or 30182 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 61.

The spelling of 153818486809 in words is "one hundred fifty-three billion, eight hundred eighteen million, four hundred eighty-six thousand, eight hundred nine".