381814126899 has 32 divisors (see below), whose sum is σ = 545704320000. Its totient is φ = 236839946112.

The previous prime is 381814126877. The next prime is 381814126901. The reversal of 381814126899 is 998621418183.

It is not a de Polignac number, because 381814126899 - 2⁵ = 381814126867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (381814126699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12747489 + ... + 12777405.

It is an arithmetic number, because the mean of its divisors is an integer number (17053260000).

Almost surely, 2^381814126899 is an apocalyptic number.

381814126899 is a deficient number, since it is larger than the sum of its proper divisors (163890193101).

381814126899 is a wasteful number, since it uses less digits than its factorization.

381814126899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34979.

The product of its digits is 5971968, while the sum is 60.

The spelling of 381814126899 in words is "three hundred eighty-one billion, eight hundred fourteen million, one hundred twenty-six thousand, eight hundred ninety-nine".