534521644 has 6 divisors (see below), whose sum is σ = 935412884. Its totient is φ = 267260820.

The previous prime is 534521641. The next prime is 534521653. The reversal of 534521644 is 446125435.

It is not an unprimeable number, because it can be changed into a prime (534521641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66815202 + ... + 66815209.

Almost surely, 2^534521644 is an apocalyptic number.

It is an amenable number.

534521644 is a deficient number, since it is larger than the sum of its proper divisors (400891240).

534521644 is a wasteful number, since it uses less digits than its factorization.

534521644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133630415 (or 133630413 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 534521644 is about 23119.7241333023. The cubic root of 534521644 is about 811.5621147670.

The spelling of 534521644 in words is "five hundred thirty-four million, five hundred twenty-one thousand, six hundred forty-four".