381159777379 has 2 divisors, whose sum is σ = 381159777380. Its totient is φ = 381159777378.

The previous prime is 381159777337. The next prime is 381159777407. The reversal of 381159777379 is 973777951183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 381159777379 - 2¹³ = 381159769187 is a prime.

It is not a weakly prime, because it can be changed into another prime (381159777179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190579888689 + 190579888690.

It is an arithmetic number, because the mean of its divisors is an integer number (190579888690).

Almost surely, 2^381159777379 is an apocalyptic number.

381159777379 is a deficient number, since it is larger than the sum of its proper divisors (1).

381159777379 is an equidigital number, since it uses as much as digits as its factorization.

381159777379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70013160, while the sum is 67.

The spelling of 381159777379 in words is "three hundred eighty-one billion, one hundred fifty-nine million, seven hundred seventy-seven thousand, three hundred seventy-nine".