38753422517 has 4 divisors (see below), whose sum is σ = 38788117836. Its totient is φ = 38718727200.

The previous prime is 38753422501. The next prime is 38753422531. The reversal of 38753422517 is 71522435783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5894247076 + 32859175441 = 76774^2 + 181271^2 .

It is a cyclic number.

It is not a de Polignac number, because 38753422517 - 2⁴ = 38753422501 is a prime.

It is a super-2 number, since 2×38753422517² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38753422537) 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, 17345984 + ... + 17348217.

It is an arithmetic number, because the mean of its divisors is an integer number (9697029459).

Almost surely, 2^38753422517 is an apocalyptic number.

It is an amenable number.

38753422517 is a deficient number, since it is larger than the sum of its proper divisors (34695319).

38753422517 is a wasteful number, since it uses less digits than its factorization.

38753422517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34695318.

The product of its digits is 1411200, while the sum is 47.

The spelling of 38753422517 in words is "thirty-eight billion, seven hundred fifty-three million, four hundred twenty-two thousand, five hundred seventeen".