504265721642 has 32 divisors (see below), whose sum is σ = 798904719360. Its totient is φ = 238392117360.

The previous prime is 504265721621. The next prime is 504265721647. The reversal of 504265721642 is 246127562405.

It is a junction number, because it is equal to n+sod(n) for n = 504265721593 and 504265721602.

It is not an unprimeable number, because it can be changed into a prime (504265721647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173393 + ... + 1019115.

It is an arithmetic number, because the mean of its divisors is an integer number (24965772480).

Almost surely, 2^504265721642 is an apocalyptic number.

504265721642 is a deficient number, since it is larger than the sum of its proper divisors (294638997718).

504265721642 is a wasteful number, since it uses less digits than its factorization.

504265721642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845978.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 504265721642 in words is "five hundred four billion, two hundred sixty-five million, seven hundred twenty-one thousand, six hundred forty-two".