534657109 has 4 divisors (see below), whose sum is σ = 611036704. Its totient is φ = 458277516.

The previous prime is 534657091. The next prime is 534657139. The reversal of 534657109 is 901756435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 534657109 - 2²⁷ = 400439381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534657139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38189787 + ... + 38189800.

It is an arithmetic number, because the mean of its divisors is an integer number (152759176).

Almost surely, 2^534657109 is an apocalyptic number.

It is an amenable number.

534657109 is a deficient number, since it is larger than the sum of its proper divisors (76379595).

534657109 is an equidigital number, since it uses as much as digits as its factorization.

534657109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76379594.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 534657109 is about 23122.6535890672. The cubic root of 534657109 is about 811.6306676355.

The spelling of 534657109 in words is "five hundred thirty-four million, six hundred fifty-seven thousand, one hundred nine".