381378153149107 has 16 divisors (see below), whose sum is σ = 405298288461600. Its totient is φ = 357625564641280.

The previous prime is 381378153149101. The next prime is 381378153149207. The reversal of 381378153149107 is 701941351873183.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 381378153149107 - 2³ = 381378153149099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381378153149101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32798257 + ... + 42877522.

It is an arithmetic number, because the mean of its divisors is an integer number (25331143028850).

Almost surely, 2^{381378153149107} is an apocalyptic number.

381378153149107 is a deficient number, since it is larger than the sum of its proper divisors (23920135312493).

381378153149107 is a wasteful number, since it uses less digits than its factorization.

381378153149107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75676886.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 381378153149107 in words is "three hundred eighty-one trillion, three hundred seventy-eight billion, one hundred fifty-three million, one hundred forty-nine thousand, one hundred seven".