538769694 has 16 divisors (see below), whose sum is σ = 1077768720. Its totient is φ = 179551680.

The previous prime is 538769689. The next prime is 538769731. The reversal of 538769694 is 496967835.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44584 + ... + 55364.

It is an arithmetic number, because the mean of its divisors is an integer number (67360545).

Almost surely, 2^538769694 is an apocalyptic number.

538769694 is an abundant number, since it is smaller than the sum of its proper divisors (538999026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538769694 is a wasteful number, since it uses less digits than its factorization.

538769694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115.

The product of its digits is 9797760, while the sum is 57.

The square root of 538769694 is about 23211.4130117061. The cubic root of 538769694 is about 813.7063768820.

The spelling of 538769694 in words is "five hundred thirty-eight million, seven hundred sixty-nine thousand, six hundred ninety-four".