512673366890 has 8 divisors (see below), whose sum is σ = 922812060420. Its totient is φ = 205069346752.

The previous prime is 512673366827. The next prime is 512673366893. The reversal of 512673366890 is 98663376215.

It can be written as a sum of positive squares in 2 ways, for example, as 484230881689 + 28442485201 = 695867^2 + 168649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×512673366890² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (512673366893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25633668335 + ... + 25633668354.

Almost surely, 2^512673366890 is an apocalyptic number.

512673366890 is a deficient number, since it is larger than the sum of its proper divisors (410138693530).

512673366890 is a wasteful number, since it uses less digits than its factorization.

512673366890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51267336696.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 512673366890 in words is "five hundred twelve billion, six hundred seventy-three million, three hundred sixty-six thousand, eight hundred ninety".