514367921668 has 6 divisors (see below), whose sum is σ = 900143862926. Its totient is φ = 257183960832.

The previous prime is 514367921629. The next prime is 514367921699. The reversal of 514367921668 is 866129763415.

It can be written as a sum of positive squares in only one way, i.e., 341637912004 + 172730009664 = 584498^2 + 415608^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64295990205 + ... + 64295990212.

Almost surely, 2^514367921668 is an apocalyptic number.

It is an amenable number.

514367921668 is a deficient number, since it is larger than the sum of its proper divisors (385775941258).

514367921668 is a wasteful number, since it uses less digits than its factorization.

514367921668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128591980421 (or 128591980419 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The spelling of 514367921668 in words is "five hundred fourteen billion, three hundred sixty-seven million, nine hundred twenty-one thousand, six hundred sixty-eight".