381316426819 has 8 divisors (see below), whose sum is σ = 382997160000. Its totient is φ = 379636404672.

The previous prime is 381316426783. The next prime is 381316426823. The reversal of 381316426819 is 918624613183.

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 381316426819 - 2⁹ = 381316426307 is a prime.

It is a super-3 number, since 3×381316426819³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381316426849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911847 + ... + 1262575.

It is an arithmetic number, because the mean of its divisors is an integer number (47874645000).

Almost surely, 2^381316426819 is an apocalyptic number.

381316426819 is a deficient number, since it is larger than the sum of its proper divisors (1680733181).

381316426819 is a wasteful number, since it uses less digits than its factorization.

381316426819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355517.

The product of its digits is 1492992, while the sum is 52.

The spelling of 381316426819 in words is "three hundred eighty-one billion, three hundred sixteen million, four hundred twenty-six thousand, eight hundred nineteen".