519409942 has 8 divisors (see below), whose sum is σ = 824945256. Its totient is φ = 244428192.

The previous prime is 519409909. The next prime is 519409987. The reversal of 519409942 is 249904915.

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

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, 7638348 + ... + 7638415.

It is an arithmetic number, because the mean of its divisors is an integer number (103118157).

Almost surely, 2^519409942 is an apocalyptic number.

519409942 is a deficient number, since it is larger than the sum of its proper divisors (305535314).

519409942 is a wasteful number, since it uses less digits than its factorization.

519409942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276782.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 519409942 is about 22790.5669521405. The cubic root of 519409942 is about 803.8408748805.

The spelling of 519409942 in words is "five hundred nineteen million, four hundred nine thousand, nine hundred forty-two".