6388302540381 has 8 divisors (see below), whose sum is σ = 8613441627840. Its totient is φ = 4211015906592.

The previous prime is 6388302540379. The next prime is 6388302540419. The reversal of 6388302540381 is 1830452038836.

It is a happy number.

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

It is not a de Polignac number, because 6388302540381 - 2¹ = 6388302540379 is a prime.

It is a super-2 number, since 2×6388302540381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6388302540311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11963113105 + ... + 11963113638.

It is an arithmetic number, because the mean of its divisors is an integer number (1076680203480).

Almost surely, 2^{6388302540381} is an apocalyptic number.

It is an amenable number.

6388302540381 is a deficient number, since it is larger than the sum of its proper divisors (2225139087459).

6388302540381 is a wasteful number, since it uses less digits than its factorization.

6388302540381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23926226835.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 6388302540381 in words is "six trillion, three hundred eighty-eight billion, three hundred two million, five hundred forty thousand, three hundred eighty-one".