539619493 has 8 divisors (see below), whose sum is σ = 619402880. Its totient is φ = 460509840.

The previous prime is 539619461. The next prime is 539619517. The reversal of 539619493 is 394916935.

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

It is not a de Polignac number, because 539619493 - 2⁵ = 539619461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539619403) 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, 166713 + ... + 169918.

It is an arithmetic number, because the mean of its divisors is an integer number (77425360).

Almost surely, 2^539619493 is an apocalyptic number.

It is an amenable number.

539619493 is a deficient number, since it is larger than the sum of its proper divisors (79783387).

539619493 is a wasteful number, since it uses less digits than its factorization.

539619493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336867.

The product of its digits is 787320, while the sum is 49.

The square root of 539619493 is about 23229.7114273940. The cubic root of 539619493 is about 814.1339706087.

The spelling of 539619493 in words is "five hundred thirty-nine million, six hundred nineteen thousand, four hundred ninety-three".