2159025529 has 2 divisors, whose sum is σ = 2159025530. Its totient is φ = 2159025528.

The previous prime is 2159025509. The next prime is 2159025569. The reversal of 2159025529 is 9255209512.

It is an a-pointer prime, because the next prime (2159025569) can be obtained adding 2159025529 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2136935529 + 22090000 = 46227^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159025529 - 2¹¹ = 2159023481 is a prime.

It is a super-2 number, since 2×2159025529² = 9322782469747459682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2159025491 and 2159025500.

It is not a weakly prime, because it can be changed into another prime (2159025509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079512764 + 1079512765.

It is an arithmetic number, because the mean of its divisors is an integer number (1079512765).

Almost surely, 2^2159025529 is an apocalyptic number.

It is an amenable number.

2159025529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159025529 is an equidigital number, since it uses as much as digits as its factorization.

2159025529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 2159025529 is about 46465.3153330525. The cubic root of 2159025529 is about 1292.4663927301.

The spelling of 2159025529 in words is "two billion, one hundred fifty-nine million, twenty-five thousand, five hundred twenty-nine".