534042785335421 has 2 divisors, whose sum is σ = 534042785335422. Its totient is φ = 534042785335420.

The previous prime is 534042785335327. The next prime is 534042785335441. The reversal of 534042785335421 is 124533587240435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461966845375396 + 72075939960025 = 21493414^2 + 8489755^2 .

It is a cyclic number.

It is not a de Polignac number, because 534042785335421 - 2²² = 534042781141117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534042785335441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267021392667710 + 267021392667711.

It is an arithmetic number, because the mean of its divisors is an integer number (267021392667711).

Almost surely, 2^{534042785335421} is an apocalyptic number.

It is an amenable number.

534042785335421 is a deficient number, since it is larger than the sum of its proper divisors (1).

534042785335421 is an equidigital number, since it uses as much as digits as its factorization.

534042785335421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384000, while the sum is 56.

The spelling of 534042785335421 in words is "five hundred thirty-four trillion, forty-two billion, seven hundred eighty-five million, three hundred thirty-five thousand, four hundred twenty-one".