506143432633454 has 48 divisors (see below), whose sum is σ = 965519778487680. Its totient is φ = 196776472682160.

The previous prime is 506143432633451. The next prime is 506143432633481. The reversal of 506143432633454 is 454336234341605.

It is a junction number, because it is equal to n+sod(n) for n = 506143432633396 and 506143432633405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506143432633451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502195514 + ... + 503202365.

It is an arithmetic number, because the mean of its divisors is an integer number (20114995385160).

Almost surely, 2^{506143432633454} is an apocalyptic number.

506143432633454 is a deficient number, since it is larger than the sum of its proper divisors (459376345854226).

506143432633454 is a wasteful number, since it uses less digits than its factorization.

506143432633454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005398373 (or 1005398366 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 53.

The spelling of 506143432633454 in words is "five hundred six trillion, one hundred forty-three billion, four hundred thirty-two million, six hundred thirty-three thousand, four hundred fifty-four".