518472019 has 16 divisors (see below), whose sum is σ = 602088480. Its totient is φ = 442333440.

The previous prime is 518471969. The next prime is 518472047. The reversal of 518472019 is 910274815.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518472019 is a prime.

It is a super-2 number, since 2×518472019² = 537626468971872722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (518472089) 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, 15472 + ... + 35725.

It is an arithmetic number, because the mean of its divisors is an integer number (37630530).

Almost surely, 2^518472019 is an apocalyptic number.

518472019 is a deficient number, since it is larger than the sum of its proper divisors (83616461).

518472019 is a wasteful number, since it uses less digits than its factorization.

518472019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51270.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 518472019 is about 22769.9806543616. The cubic root of 518472019 is about 803.3567389097.

The spelling of 518472019 in words is "five hundred eighteen million, four hundred seventy-two thousand, nineteen".