513954022082 has 6 divisors (see below), whose sum is σ = 770932553913. Its totient is φ = 256976504112.

The previous prime is 513954022079. The next prime is 513954022151. The reversal of 513954022082 is 280220459315.

It can be written as a sum of positive squares in 2 ways, for example, as 511509609601 + 2444412481 = 715199^2 + 49441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=506929.

It is a super-2 number, since 2×513954022082² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 760394 + ... + 1267322.

Almost surely, 2^513954022082 is an apocalyptic number.

513954022082 is a deficient number, since it is larger than the sum of its proper divisors (256978531831).

513954022082 is an frugal number, since it uses more digits than its factorization.

513954022082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013860 (or 506931 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 513954022082 in words is "five hundred thirteen billion, nine hundred fifty-four million, twenty-two thousand, eighty-two".