2153544529 has 2 divisors, whose sum is σ = 2153544530. Its totient is φ = 2153544528.

The previous prime is 2153544517. The next prime is 2153544539. The reversal of 2153544529 is 9254453512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1732474129 + 421070400 = 41623^2 + 20520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153544529 - 2⁷ = 2153544401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2153544491 and 2153544500.

It is not a weakly prime, because it can be changed into another prime (2153544539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076772264 + 1076772265.

It is an arithmetic number, because the mean of its divisors is an integer number (1076772265).

Almost surely, 2^2153544529 is an apocalyptic number.

It is an amenable number.

2153544529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153544529 is an equidigital number, since it uses as much as digits as its factorization.

2153544529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 40.

The square root of 2153544529 is about 46406.2983764058. The cubic root of 2153544529 is about 1291.3717613378.

The spelling of 2153544529 in words is "two billion, one hundred fifty-three million, five hundred forty-four thousand, five hundred twenty-nine".