534686313661 has 2 divisors, whose sum is σ = 534686313662. Its totient is φ = 534686313660.

The previous prime is 534686313593. The next prime is 534686313673. The reversal of 534686313661 is 166313686435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345956888761 + 188729424900 = 588181^2 + 434430^2 .

It is a cyclic number.

It is not a de Polignac number, because 534686313661 - 2²³ = 534677925053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 534686313599 and 534686313608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534686313691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267343156830 + 267343156831.

It is an arithmetic number, because the mean of its divisors is an integer number (267343156831).

Almost surely, 2^534686313661 is an apocalyptic number.

It is an amenable number.

534686313661 is a deficient number, since it is larger than the sum of its proper divisors (1).

534686313661 is an equidigital number, since it uses as much as digits as its factorization.

534686313661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 52.

The spelling of 534686313661 in words is "five hundred thirty-four billion, six hundred eighty-six million, three hundred thirteen thousand, six hundred sixty-one".