39213130393 has 4 divisors (see below), whose sum is σ = 41519785140. Its totient is φ = 36906475648.

The previous prime is 39213130387. The next prime is 39213130403. The reversal of 39213130393 is 39303131293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39303131293 = 131 ⋅300023903.

It can be written as a sum of positive squares in 2 ways, for example, as 17443013184 + 21770117209 = 132072^2 + 147547^2 .

It is a cyclic number.

It is not a de Polignac number, because 39213130393 - 2⁹ = 39213129881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39213131393) 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, 1153327348 + ... + 1153327381.

It is an arithmetic number, because the mean of its divisors is an integer number (10379946285).

Almost surely, 2^39213130393 is an apocalyptic number.

It is an amenable number.

39213130393 is a deficient number, since it is larger than the sum of its proper divisors (2306654747).

39213130393 is a wasteful number, since it uses less digits than its factorization.

39213130393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306654746.

The product of its (nonzero) digits is 39366, while the sum is 37.

The spelling of 39213130393 in words is "thirty-nine billion, two hundred thirteen million, one hundred thirty thousand, three hundred ninety-three".