383866979411 has 2 divisors, whose sum is σ = 383866979412. Its totient is φ = 383866979410.

The previous prime is 383866979383. The next prime is 383866979423. The reversal of 383866979411 is 114979668383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383866979411 is a prime.

It is not a weakly prime, because it can be changed into another prime (383866979311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191933489705 + 191933489706.

It is an arithmetic number, because the mean of its divisors is an integer number (191933489706).

Almost surely, 2^383866979411 is an apocalyptic number.

383866979411 is a deficient number, since it is larger than the sum of its proper divisors (1).

383866979411 is an equidigital number, since it uses as much as digits as its factorization.

383866979411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 65.

The spelling of 383866979411 in words is "three hundred eighty-three billion, eight hundred sixty-six million, nine hundred seventy-nine thousand, four hundred eleven".