509486419 has 8 divisors (see below), whose sum is σ = 549950912. Its totient is φ = 469203840.

The previous prime is 509486407. The next prime is 509486429. The reversal of 509486419 is 914684905.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 509486419 - 2¹⁷ = 509355347 is a prime.

It is a super-2 number, since 2×509486419² = 519152822290887122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509486429) 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, 39627 + ... + 50884.

It is an arithmetic number, because the mean of its divisors is an integer number (68743864).

Almost surely, 2^509486419 is an apocalyptic number.

509486419 is a deficient number, since it is larger than the sum of its proper divisors (40464493).

509486419 is a wasteful number, since it uses less digits than its factorization.

509486419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90957.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 509486419 is about 22571.8058426879. The cubic root of 509486419 is about 798.6886950026.

It can be divided in two parts, 509486 and 419, that added together give a palindrome (509905).

The spelling of 509486419 in words is "five hundred nine million, four hundred eighty-six thousand, four hundred nineteen".