539090049 has 4 divisors (see below), whose sum is σ = 718786736. Its totient is φ = 359393364.

The previous prime is 539090039. The next prime is 539090081. The reversal of 539090049 is 940090935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 539090049 - 2⁴ = 539090033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 539089989 and 539090016.

It is not an unprimeable number, because it can be changed into a prime (539090039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89848339 + ... + 89848344.

It is an arithmetic number, because the mean of its divisors is an integer number (179696684).

Almost surely, 2^539090049 is an apocalyptic number.

It is an amenable number.

539090049 is a deficient number, since it is larger than the sum of its proper divisors (179696687).

539090049 is a wasteful number, since it uses less digits than its factorization.

539090049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179696686.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 539090049 is about 23218.3127939995. The cubic root of 539090049 is about 813.8676228096.

The spelling of 539090049 in words is "five hundred thirty-nine million, ninety thousand, forty-nine".