529890109 has 16 divisors (see below), whose sum is σ = 625887360. Its totient is φ = 439165440.

The previous prime is 529890091. The next prime is 529890113. The reversal of 529890109 is 901098925.

It is not a de Polignac number, because 529890109 - 2¹³ = 529881917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (529890139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24262 + ... + 40600.

It is an arithmetic number, because the mean of its divisors is an integer number (39117960).

Almost surely, 2^529890109 is an apocalyptic number.

It is an amenable number.

529890109 is a deficient number, since it is larger than the sum of its proper divisors (95997251).

529890109 is a wasteful number, since it uses less digits than its factorization.

529890109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 529890109 is about 23019.3420627089. The cubic root of 529890109 is about 809.2112980273.

The spelling of 529890109 in words is "five hundred twenty-nine million, eight hundred ninety thousand, one hundred nine".