19485129 has 12 divisors (see below), whose sum is σ = 26910416. Its totient is φ = 12540528.

The previous prime is 19485121. The next prime is 19485133. The reversal of 19485129 is 92158491.

It is not a de Polignac number, because 19485129 - 2³ = 19485121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19485121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339 + ... + 6384.

Almost surely, 2^19485129 is an apocalyptic number.

It is an amenable number.

19485129 is a deficient number, since it is larger than the sum of its proper divisors (7425287).

19485129 is an equidigital number, since it uses as much as digits as its factorization.

19485129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784 (or 7755 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 19485129 is about 4414.1963028393. The cubic root of 19485129 is about 269.0921911912.

The spelling of 19485129 in words is "nineteen million, four hundred eighty-five thousand, one hundred twenty-nine".