938495513 has 4 divisors (see below), whose sum is σ = 940145460. Its totient is φ = 936845568.

The previous prime is 938495507. The next prime is 938495527. The reversal of 938495513 is 315594839.

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 117787609 + 820707904 = 10853^2 + 28648^2 .

It is a cyclic number.

It is not a de Polignac number, because 938495513 - 2⁴ = 938495497 is a prime.

It is a super-2 number, since 2×938495513² = 1761547655842266338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (938495563) 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, 824120 + ... + 825257.

It is an arithmetic number, because the mean of its divisors is an integer number (235036365).

Almost surely, 2^938495513 is an apocalyptic number.

It is an amenable number.

938495513 is a deficient number, since it is larger than the sum of its proper divisors (1649947).

938495513 is a wasteful number, since it uses less digits than its factorization.

938495513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649946.

The product of its digits is 583200, while the sum is 47.

The square root of 938495513 is about 30634.8741306375. The cubic root of 938495513 is about 979.0632145548.

The spelling of 938495513 in words is "nine hundred thirty-eight million, four hundred ninety-five thousand, five hundred thirteen".