381547633313 has 32 divisors (see below), whose sum is σ = 477461875968. Its totient is φ = 296208057600.

The previous prime is 381547633309. The next prime is 381547633319. The reversal of 381547633313 is 313336745183.

It is not a de Polignac number, because 381547633313 - 2² = 381547633309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381547633319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24023531 + ... + 24039407.

It is an arithmetic number, because the mean of its divisors is an integer number (14920683624).

Almost surely, 2^381547633313 is an apocalyptic number.

It is an amenable number.

381547633313 is a deficient number, since it is larger than the sum of its proper divisors (95914242655).

381547633313 is a wasteful number, since it uses less digits than its factorization.

381547633313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17033.

The product of its digits is 1632960, while the sum is 47.

The spelling of 381547633313 in words is "three hundred eighty-one billion, five hundred forty-seven million, six hundred thirty-three thousand, three hundred thirteen".