509854742 has 8 divisors (see below), whose sum is σ = 791154000. Its totient is φ = 246136744.

The previous prime is 509854739. The next prime is 509854801. The reversal of 509854742 is 247458905.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 509854693 and 509854702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4395242 + ... + 4395357.

It is an arithmetic number, because the mean of its divisors is an integer number (98894250).

Almost surely, 2^509854742 is an apocalyptic number.

509854742 is a deficient number, since it is larger than the sum of its proper divisors (281299258).

509854742 is a wasteful number, since it uses less digits than its factorization.

509854742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790630.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 509854742 is about 22579.9632860640. The cubic root of 509854742 is about 798.8811139721.

The spelling of 509854742 in words is "five hundred nine million, eight hundred fifty-four thousand, seven hundred forty-two".