1986579481414 has 8 divisors (see below), whose sum is σ = 3250766424168. Its totient is φ = 902990673360.

The previous prime is 1986579481349. The next prime is 1986579481417. The reversal of 1986579481414 is 4141849756891.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1986579481414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986579481417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45149533647 + ... + 45149533690.

It is an arithmetic number, because the mean of its divisors is an integer number (406345803021).

Almost surely, 2^{1986579481414} is an apocalyptic number.

1986579481414 is a deficient number, since it is larger than the sum of its proper divisors (1264186942754).

1986579481414 is a wasteful number, since it uses less digits than its factorization.

1986579481414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90299067350.

The product of its digits is 69672960, while the sum is 67.

The spelling of 1986579481414 in words is "one trillion, nine hundred eighty-six billion, five hundred seventy-nine million, four hundred eighty-one thousand, four hundred fourteen".