538700243909 has 8 divisors (see below), whose sum is σ = 546316585920. Its totient is φ = 531084708000.

The previous prime is 538700243869. The next prime is 538700243929. The reversal of 538700243909 is 909342007835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538700243909 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 (538700243929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214282 + ... + 1597460.

It is an arithmetic number, because the mean of its divisors is an integer number (68289573240).

Almost surely, 2^538700243909 is an apocalyptic number.

It is an amenable number.

538700243909 is a deficient number, since it is larger than the sum of its proper divisors (7616342011).

538700243909 is a wasteful number, since it uses less digits than its factorization.

538700243909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403051.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 538700243909 in words is "five hundred thirty-eight billion, seven hundred million, two hundred forty-three thousand, nine hundred nine".