38538940753 has 8 divisors (see below), whose sum is σ = 38694133800. Its totient is φ = 38383909248.

The previous prime is 38538940717. The next prime is 38538940837. The reversal of 38538940753 is 35704983583.

It can be written as a sum of positive squares in 4 ways, for example, as 3363188049 + 35175752704 = 57993^2 + 187552^2 .

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-38538940753 is a prime.

It is a super-3 number, since 3×38538940753³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38538940694 and 38538940703.

It is not an unprimeable number, because it can be changed into a prime (38538950753) 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, 449613 + ... + 528421.

It is an arithmetic number, because the mean of its divisors is an integer number (4836766725).

Almost surely, 2^38538940753 is an apocalyptic number.

It is an amenable number.

38538940753 is a deficient number, since it is larger than the sum of its proper divisors (155193047).

38538940753 is a wasteful number, since it uses less digits than its factorization.

38538940753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80771.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 38538940753 in words is "thirty-eight billion, five hundred thirty-eight million, nine hundred forty thousand, seven hundred fifty-three".