538542318029 has 4 divisors (see below), whose sum is σ = 545030779776. Its totient is φ = 532053856284.

The previous prime is 538542318023. The next prime is 538542318037. The reversal of 538542318029 is 920813245835.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538542318029 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 (538542318023) 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, 3244230749 + ... + 3244230914.

It is an arithmetic number, because the mean of its divisors is an integer number (136257694944).

Almost surely, 2^538542318029 is an apocalyptic number.

It is an amenable number.

538542318029 is a deficient number, since it is larger than the sum of its proper divisors (6488461747).

538542318029 is an equidigital number, since it uses as much as digits as its factorization.

538542318029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488461746.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 538542318029 in words is "five hundred thirty-eight billion, five hundred forty-two million, three hundred eighteen thousand, twenty-nine".