538173438029 has 16 divisors (see below), whose sum is σ = 567928972800. Its totient is φ = 508562411184.

The previous prime is 538173437951. The next prime is 538173438031. The reversal of 538173438029 is 920834371835.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 538173438029 - 2²⁸ = 537905002573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538173638029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14022464 + ... + 14060790.

It is an arithmetic number, because the mean of its divisors is an integer number (35495560800).

Almost surely, 2^538173438029 is an apocalyptic number.

It is an amenable number.

538173438029 is a deficient number, since it is larger than the sum of its proper divisors (29755534771).

538173438029 is a wasteful number, since it uses less digits than its factorization.

538173438029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40192.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 538173438029 in words is "five hundred thirty-eight billion, one hundred seventy-three million, four hundred thirty-eight thousand, twenty-nine".