381319479963 has 12 divisors (see below), whose sum is σ = 550876989520. Its totient is φ = 254175055056.

The previous prime is 381319479941. The next prime is 381319479973. The reversal of 381319479963 is 369974913183.

381319479963 is a `hidden beast` number, since 381 + 3 + 194 + 7 + 9 + 9 + 63 = 666.

It is not a de Polignac number, because 381319479963 - 2³³ = 372729545371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381319479963.

It is not an unprimeable number, because it can be changed into a prime (381319479973) 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 11 ways as a sum of consecutive naturals, for example, 3097231 + ... + 3217992.

Almost surely, 2^381319479963 is an apocalyptic number.

381319479963 is a deficient number, since it is larger than the sum of its proper divisors (169557509557).

381319479963 is a wasteful number, since it uses less digits than its factorization.

381319479963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321938 (or 6321935 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 381319479963 in words is "three hundred eighty-one billion, three hundred nineteen million, four hundred seventy-nine thousand, nine hundred sixty-three".