381055034977 has 2 divisors, whose sum is σ = 381055034978. Its totient is φ = 381055034976.

The previous prime is 381055034959. The next prime is 381055034989. The reversal of 381055034977 is 779430550183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378490726656 + 2564308321 = 615216^2 + 50639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381055034977 is a prime.

It is not a weakly prime, because it can be changed into another prime (381055034947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190527517488 + 190527517489.

It is an arithmetic number, because the mean of its divisors is an integer number (190527517489).

Almost surely, 2^381055034977 is an apocalyptic number.

It is an amenable number.

381055034977 is a deficient number, since it is larger than the sum of its proper divisors (1).

381055034977 is an equidigital number, since it uses as much as digits as its factorization.

381055034977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 381055034977 in words is "three hundred eighty-one billion, fifty-five million, thirty-four thousand, nine hundred seventy-seven".