538263357706 has 4 divisors (see below), whose sum is σ = 807395036562. Its totient is φ = 269131678852.

The previous prime is 538263357679. The next prime is 538263357727. The reversal of 538263357706 is 607753362835.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607753362835 = 5 ⋅121550672567.

It can be written as a sum of positive squares in only one way, i.e., 533909337481 + 4354020225 = 730691^2 + 65985^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134565839425 + ... + 134565839428.

Almost surely, 2^538263357706 is an apocalyptic number.

538263357706 is a deficient number, since it is larger than the sum of its proper divisors (269131678856).

538263357706 is a wasteful number, since it uses less digits than its factorization.

538263357706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269131678855.

The product of its (nonzero) digits is 19051200, while the sum is 55.

The spelling of 538263357706 in words is "five hundred thirty-eight billion, two hundred sixty-three million, three hundred fifty-seven thousand, seven hundred six".