1413681865 has 8 divisors (see below), whose sum is σ = 1719657288. Its totient is φ = 1115452800.

The previous prime is 1413681859. The next prime is 1413681877. The reversal of 1413681865 is 5681863141.

1413681865 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 495107001 + 918574864 = 22251^2 + 30308^2 .

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

It is not a de Polignac number, because 1413681865 - 2²⁵ = 1380127433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936186 + ... + 1936915.

It is an arithmetic number, because the mean of its divisors is an integer number (214957161).

Almost surely, 2^1413681865 is an apocalyptic number.

It is an amenable number.

1413681865 is a deficient number, since it is larger than the sum of its proper divisors (305975423).

1413681865 is an equidigital number, since it uses as much as digits as its factorization.

1413681865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873179.

The product of its digits is 138240, while the sum is 43.

The square root of 1413681865 is about 37598.9609563881. The cubic root of 1413681865 is about 1122.3213611818.

The spelling of 1413681865 in words is "one billion, four hundred thirteen million, six hundred eighty-one thousand, eight hundred sixty-five".