539329491 has 6 divisors (see below), whose sum is σ = 779031500. Its totient is φ = 359552988.

The previous prime is 539329481. The next prime is 539329513. The reversal of 539329491 is 194923935.

539329491 is a `hidden beast` number, since 53 + 93 + 29 + 491 = 666.

It is not a de Polignac number, because 539329491 - 2⁷ = 539329363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (539329411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29962741 + ... + 29962758.

Almost surely, 2^539329491 is an apocalyptic number.

539329491 is a deficient number, since it is larger than the sum of its proper divisors (239702009).

539329491 is a wasteful number, since it uses less digits than its factorization.

539329491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59925505 (or 59925502 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 539329491 is about 23223.4685393892. The cubic root of 539329491 is about 813.9881006698.

The spelling of 539329491 in words is "five hundred thirty-nine million, three hundred twenty-nine thousand, four hundred ninety-one".