534241609921 has 4 divisors (see below), whose sum is σ = 534250177200. Its totient is φ = 534233042644.

The previous prime is 534241609903. The next prime is 534241609927. The reversal of 534241609921 is 129906142435.

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, and also an emirpimes, since its reverse is a distinct semiprime: 129906142435 = 5 ⋅25981228487.

It is a cyclic number.

It is not a de Polignac number, because 534241609921 - 2¹⁹ = 534241085633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534241609927) 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, 4189411 + ... + 4315048.

It is an arithmetic number, because the mean of its divisors is an integer number (133562544300).

Almost surely, 2^534241609921 is an apocalyptic number.

It is an amenable number.

534241609921 is a deficient number, since it is larger than the sum of its proper divisors (8567279).

534241609921 is an equidigital number, since it uses as much as digits as its factorization.

534241609921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567278.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 534241609921 in words is "five hundred thirty-four billion, two hundred forty-one million, six hundred nine thousand, nine hundred twenty-one".