543254414521653 has 6 divisors (see below), whose sum is σ = 784700820975734. Its totient is φ = 362169609681096.

The previous prime is 543254414521649. The next prime is 543254414521667. The reversal of 543254414521653 is 356125414452345.

543254414521653 is a `hidden beast` number, since 5 + 4 + 3 + 2 + 5 + 4 + 414 + 5 + 216 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 314826043382244 + 228428371139409 = 17743338^2 + 15113847^2 .

It is not a de Polignac number, because 543254414521653 - 2² = 543254414521649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 543254414521653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543254414521603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30180800806750 + ... + 30180800806767.

Almost surely, 2^{543254414521653} is an apocalyptic number.

It is an amenable number.

543254414521653 is a deficient number, since it is larger than the sum of its proper divisors (241446406454081).

543254414521653 is a wasteful number, since it uses less digits than its factorization.

543254414521653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60361601613523 (or 60361601613520 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 54.

Adding to 543254414521653 its reverse (356125414452345), we get a palindrome (899379828973998).

The spelling of 543254414521653 in words is "five hundred forty-three trillion, two hundred fifty-four billion, four hundred fourteen million, five hundred twenty-one thousand, six hundred fifty-three".