381268648371 has 64 divisors (see below), whose sum is σ = 560964096000. Its totient is φ = 228910164480.

The previous prime is 381268648363. The next prime is 381268648391. The reversal of 381268648371 is 173846862183.

It is not a de Polignac number, because 381268648371 - 2³ = 381268648363 is a prime.

It is a super-4 number, since 4×381268648371⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (381268648391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216752190 + ... + 216753948.

It is an arithmetic number, because the mean of its divisors is an integer number (8765064000).

Almost surely, 2^381268648371 is an apocalyptic number.

381268648371 is a deficient number, since it is larger than the sum of its proper divisors (179695447629).

381268648371 is a wasteful number, since it uses less digits than its factorization.

381268648371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524.

The product of its digits is 9289728, while the sum is 57.

The spelling of 381268648371 in words is "three hundred eighty-one billion, two hundred sixty-eight million, six hundred forty-eight thousand, three hundred seventy-one".