1881413386 has 16 divisors (see below), whose sum is σ = 2954133504. Its totient is φ = 896960944.

The previous prime is 1881413381. The next prime is 1881413411. The reversal of 1881413386 is 6833141881.

It is not an unprimeable number, because it can be changed into a prime (1881413381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49930 + ... + 79093.

It is an arithmetic number, because the mean of its divisors is an integer number (184633344).

Almost surely, 2^1881413386 is an apocalyptic number.

1881413386 is a deficient number, since it is larger than the sum of its proper divisors (1072720118).

1881413386 is a wasteful number, since it uses less digits than its factorization.

1881413386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129365.

The product of its digits is 110592, while the sum is 43.

The square root of 1881413386 is about 43375.2623738462. The cubic root of 1881413386 is about 1234.5103723272.

The spelling of 1881413386 in words is "one billion, eight hundred eighty-one million, four hundred thirteen thousand, three hundred eighty-six".