6976690393 has 4 divisors (see below), whose sum is σ = 6976964368. Its totient is φ = 6976416420.

The previous prime is 6976690327. The next prime is 6976690397. The reversal of 6976690393 is 3930966796.

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 6976690393 - 2¹³ = 6976682201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6976690397) 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, 94371 + ... + 151192.

It is an arithmetic number, because the mean of its divisors is an integer number (1744241092).

Almost surely, 2^6976690393 is an apocalyptic number.

It is an amenable number.

6976690393 is a deficient number, since it is larger than the sum of its proper divisors (273975).

6976690393 is a wasteful number, since it uses less digits than its factorization.

6976690393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273974.

The product of its (nonzero) digits is 9920232, while the sum is 58.

The square root of 6976690393 is about 83526.5849475483. The cubic root of 6976690393 is about 1910.8055037458.

The spelling of 6976690393 in words is "six billion, nine hundred seventy-six million, six hundred ninety thousand, three hundred ninety-three".