501854249798 has 16 divisors (see below), whose sum is σ = 821299763520. Its totient is φ = 228092313000.

The previous prime is 501854249797. The next prime is 501854249803. The reversal of 501854249798 is 897942458105.

It is a self number, because there is not a number n which added to its sum of digits gives 501854249798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501854249797) 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, 941108 + ... + 1374551.

It is an arithmetic number, because the mean of its divisors is an integer number (51331235220).

Almost surely, 2^501854249798 is an apocalyptic number.

501854249798 is a deficient number, since it is larger than the sum of its proper divisors (319445513722).

501854249798 is a wasteful number, since it uses less digits than its factorization.

501854249798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325523.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The spelling of 501854249798 in words is "five hundred one billion, eight hundred fifty-four million, two hundred forty-nine thousand, seven hundred ninety-eight".