39273107393 has 4 divisors (see below), whose sum is σ = 42294115668. Its totient is φ = 36252099120.

The previous prime is 39273107387. The next prime is 39273107441. The reversal of 39273107393 is 39370137293.

It is a happy number.

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 8294291329 + 30978816064 = 91073^2 + 176008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39273107393 is a prime.

It is a super-2 number, since 2×39273107393² (a number of 22 digits) 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 (39273107893) 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, 1510504118 + ... + 1510504143.

It is an arithmetic number, because the mean of its divisors is an integer number (10573528917).

Almost surely, 2^39273107393 is an apocalyptic number.

It is an amenable number.

39273107393 is a deficient number, since it is larger than the sum of its proper divisors (3021008275).

39273107393 is a wasteful number, since it uses less digits than its factorization.

39273107393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021008274.

The product of its (nonzero) digits is 642978, while the sum is 47.

The spelling of 39273107393 in words is "thirty-nine billion, two hundred seventy-three million, one hundred seven thousand, three hundred ninety-three".