533427190321 has 9 divisors (see below), whose sum is σ = 542665406361. Its totient is φ = 524343690564.

The previous prime is 533427190313. The next prime is 533427190343. The reversal of 533427190321 is 123091724335.

It is a happy number.

The square root of 533427190321 is 730361.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 533427190321 - 2³ = 533427190313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (533427191321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43085110 + ... + 43097488.

Almost surely, 2^533427190321 is an apocalyptic number.

533427190321 is the 730361-st square number.

533427190321 is the 365181-st centered octagonal number.

It is an amenable number.

533427190321 is a deficient number, since it is larger than the sum of its proper divisors (9238216040).

533427190321 is an frugal number, since it uses more digits than its factorization.

533427190321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24876 (or 12438 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 533427190321 in words is "five hundred thirty-three billion, four hundred twenty-seven million, one hundred ninety thousand, three hundred twenty-one".