534333333421 has 2 divisors, whose sum is σ = 534333333422. Its totient is φ = 534333333420.

The previous prime is 534333333409. The next prime is 534333333473. The reversal of 534333333421 is 124333333435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331216364196 + 203116969225 = 575514^2 + 450685^2 .

It is a cyclic number.

It is not a de Polignac number, because 534333333421 - 2⁷ = 534333333293 is a prime.

It is a super-2 number, since 2×534333333421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534333333491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267166666710 + 267166666711.

It is an arithmetic number, because the mean of its divisors is an integer number (267166666711).

Almost surely, 2^534333333421 is an apocalyptic number.

It is an amenable number.

534333333421 is a deficient number, since it is larger than the sum of its proper divisors (1).

534333333421 is an equidigital number, since it uses as much as digits as its factorization.

534333333421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 37.

Adding to 534333333421 its reverse (124333333435), we get a palindrome (658666666856).

The spelling of 534333333421 in words is "five hundred thirty-four billion, three hundred thirty-three million, three hundred thirty-three thousand, four hundred twenty-one".