381153900321 has 8 divisors (see below), whose sum is σ = 564672444960. Its totient is φ = 254102600196.

The previous prime is 381153900287. The next prime is 381153900331. The reversal of 381153900321 is 123009351183.

It is not a de Polignac number, because 381153900321 - 2¹⁴ = 381153883937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381153900331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7058405535 + ... + 7058405588.

It is an arithmetic number, because the mean of its divisors is an integer number (70584055620).

Almost surely, 2^381153900321 is an apocalyptic number.

It is an amenable number.

381153900321 is a deficient number, since it is larger than the sum of its proper divisors (183518544639).

381153900321 is a wasteful number, since it uses less digits than its factorization.

381153900321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14116811132 (or 14116811126 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 381153900321 in words is "three hundred eighty-one billion, one hundred fifty-three million, nine hundred thousand, three hundred twenty-one".