39316661393 has 4 divisors (see below), whose sum is σ = 39320442480. Its totient is φ = 39312880308.

The previous prime is 39316661359. The next prime is 39316661443.

39316661393 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39316661393 - 2²⁴ = 39299884177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39316667393) 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, 1874903 + ... + 1895756.

It is an arithmetic number, because the mean of its divisors is an integer number (9830110620).

Almost surely, 2^39316661393 is an apocalyptic number.

It is an amenable number.

39316661393 is a deficient number, since it is larger than the sum of its proper divisors (3781087).

39316661393 is a wasteful number, since it uses less digits than its factorization.

39316661393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781086.

The product of its digits is 1417176, while the sum is 50.

The spelling of 39316661393 in words is "thirty-nine billion, three hundred sixteen million, six hundred sixty-one thousand, three hundred ninety-three".