512243052444254 has 4 divisors (see below), whose sum is σ = 768364578666384. Its totient is φ = 256121526222126.

The previous prime is 512243052444209. The next prime is 512243052444289. The reversal of 512243052444254 is 452444250342215.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 512243052444199 and 512243052444208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128060763111062 + ... + 128060763111065.

It is an arithmetic number, because the mean of its divisors is an integer number (192091144666596).

Almost surely, 2^{512243052444254} is an apocalyptic number.

512243052444254 is a deficient number, since it is larger than the sum of its proper divisors (256121526222130).

512243052444254 is a wasteful number, since it uses less digits than its factorization.

512243052444254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256121526222129.

The product of its (nonzero) digits is 6144000, while the sum is 47.

The spelling of 512243052444254 in words is "five hundred twelve trillion, two hundred forty-three billion, fifty-two million, four hundred forty-four thousand, two hundred fifty-four".