506771340361 has 16 divisors (see below), whose sum is σ = 595645908480. Its totient is φ = 425063963520.

The previous prime is 506771340343. The next prime is 506771340379. The reversal of 506771340361 is 163043177605.

It is an interprime number because it is at equal distance from previous prime (506771340343) and next prime (506771340379).

It is a cyclic number.

It is not a de Polignac number, because 506771340361 - 2⁵ = 506771340329 is a prime.

It is a super-2 number, since 2×506771340361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506771340311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520396 + ... + 1133293.

It is an arithmetic number, because the mean of its divisors is an integer number (37227869280).

Almost surely, 2^506771340361 is an apocalyptic number.

It is an amenable number.

506771340361 is a deficient number, since it is larger than the sum of its proper divisors (88874568119).

506771340361 is a wasteful number, since it uses less digits than its factorization.

506771340361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655856.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 506771340361 in words is "five hundred six billion, seven hundred seventy-one million, three hundred forty thousand, three hundred sixty-one".