381125798422638 has 8 divisors (see below), whose sum is σ = 762251596845288. Its totient is φ = 127041932807544.

The previous prime is 381125798422637. The next prime is 381125798422639. The reversal of 381125798422638 is 836224897521183.

It is an interprime number because it is at equal distance from previous prime (381125798422637) and next prime (381125798422639).

It is a sphenic number, since it is the product of 3 distinct primes.

381125798422638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381125798422637) 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, 31760483201881 + ... + 31760483201892.

It is an arithmetic number, because the mean of its divisors is an integer number (95281449605661).

Almost surely, 2^{381125798422638} is an apocalyptic number.

381125798422638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381125798422638 is a wasteful number, since it uses less digits than its factorization.

381125798422638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63520966403778.

The product of its digits is 278691840, while the sum is 69.

The spelling of 381125798422638 in words is "three hundred eighty-one trillion, one hundred twenty-five billion, seven hundred ninety-eight million, four hundred twenty-two thousand, six hundred thirty-eight".