638376361483 has 8 divisors (see below), whose sum is σ = 731903891168. Its totient is φ = 545431558464.

The previous prime is 638376361463. The next prime is 638376361499. The reversal of 638376361483 is 384163673836.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 638376361483 - 2³³ = 629786426891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (638376361463) 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 7 ways as a sum of consecutive naturals, for example, 145679316 + ... + 145683697.

It is an arithmetic number, because the mean of its divisors is an integer number (91487986396).

Almost surely, 2^638376361483 is an apocalyptic number.

638376361483 is a deficient number, since it is larger than the sum of its proper divisors (93527529685).

638376361483 is a wasteful number, since it uses less digits than its factorization.

638376361483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291363333.

The product of its digits is 31352832, while the sum is 58.

The spelling of 638376361483 in words is "six hundred thirty-eight billion, three hundred seventy-six million, three hundred sixty-one thousand, four hundred eighty-three".