539674769 has 4 divisors (see below), whose sum is σ = 539737380. Its totient is φ = 539612160.

The previous prime is 539674697. The next prime is 539674787. The reversal of 539674769 is 967476935.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 266995600 + 272679169 = 16340^2 + 16513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539674769 is a prime.

It is a super-2 number, since 2×539674769² = 582497712590406722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (539674799) 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, 15824 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (134934345).

Almost surely, 2^539674769 is an apocalyptic number.

It is an amenable number.

539674769 is a deficient number, since it is larger than the sum of its proper divisors (62611).

539674769 is a wasteful number, since it uses less digits than its factorization.

539674769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62610.

The product of its digits is 8573040, while the sum is 56.

The square root of 539674769 is about 23230.9011663345. The cubic root of 539674769 is about 814.1617683028.

The spelling of 539674769 in words is "five hundred thirty-nine million, six hundred seventy-four thousand, seven hundred sixty-nine".