506066463243251 has 8 divisors (see below), whose sum is σ = 517725560701440. Its totient is φ = 494510089111048.

The previous prime is 506066463243223. The next prime is 506066463243323. The reversal of 506066463243251 is 152342364660605.

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

It is a cyclic number.

It is not a de Polignac number, because 506066463243251 - 2³⁸ = 505791585336307 is a prime.

It is a super-2 number, since 2×506066463243251² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506066463243193 and 506066463243202.

It is not an unprimeable number, because it can be changed into a prime (506066463243851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25680821531 + ... + 25680841236.

It is an arithmetic number, because the mean of its divisors is an integer number (64715695087680).

Almost surely, 2^{506066463243251} is an apocalyptic number.

506066463243251 is a deficient number, since it is larger than the sum of its proper divisors (11659097458189).

506066463243251 is a wasteful number, since it uses less digits than its factorization.

506066463243251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51361662993.

The product of its (nonzero) digits is 18662400, while the sum is 53.

The spelling of 506066463243251 in words is "five hundred six trillion, sixty-six billion, four hundred sixty-three million, two hundred forty-three thousand, two hundred fifty-one".