381929413087 has 2 divisors, whose sum is σ = 381929413088. Its totient is φ = 381929413086.

The previous prime is 381929413079. The next prime is 381929413153. The reversal of 381929413087 is 780314929183.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (780314929183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 381929413087 - 2³ = 381929413079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381929413027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190964706543 + 190964706544.

It is an arithmetic number, because the mean of its divisors is an integer number (190964706544).

Almost surely, 2^381929413087 is an apocalyptic number.

381929413087 is a deficient number, since it is larger than the sum of its proper divisors (1).

381929413087 is an equidigital number, since it uses as much as digits as its factorization.

381929413087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 381929413087 in words is "three hundred eighty-one billion, nine hundred twenty-nine million, four hundred thirteen thousand, eighty-seven".