519421928319 has 40 divisors (see below), whose sum is σ = 901310565408. Its totient is φ = 291946731840.

The previous prime is 519421928303. The next prime is 519421928327. The reversal of 519421928319 is 913829124915.

It is a happy number.

519421928319 is a `hidden beast` number, since 5 + 1 + 94 + 219 + 28 + 319 = 666.

It is not a de Polignac number, because 519421928319 - 2⁴ = 519421928303 is a prime.

It is a super-2 number, since 2×519421928319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (519421928119) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7474332 + ... + 7543505.

Almost surely, 2^519421928319 is an apocalyptic number.

519421928319 is a deficient number, since it is larger than the sum of its proper divisors (381888637089).

519421928319 is a wasteful number, since it uses less digits than its factorization.

519421928319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017917 (or 15017908 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 519421928319 in words is "five hundred nineteen billion, four hundred twenty-one million, nine hundred twenty-eight thousand, three hundred nineteen".