2159925629 has 2 divisors, whose sum is σ = 2159925630. Its totient is φ = 2159925628.

The previous prime is 2159925623. The next prime is 2159925641. The reversal of 2159925629 is 9265299512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2159925625 + 4 = 46475^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159925629 - 2²⁸ = 1891490173 is a prime.

It is a super-2 number, since 2×2159925629² = 9330557445622091282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159925623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079962814 + 1079962815.

It is an arithmetic number, because the mean of its divisors is an integer number (1079962815).

Almost surely, 2^2159925629 is an apocalyptic number.

It is an amenable number.

2159925629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159925629 is an equidigital number, since it uses as much as digits as its factorization.

2159925629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 50.

The square root of 2159925629 is about 46475.0000430339. Note that the first 4 decimals coincide. The cubic root of 2159925629 is about 1292.6459779727.

The spelling of 2159925629 in words is "two billion, one hundred fifty-nine million, nine hundred twenty-five thousand, six hundred twenty-nine".