1379921741185 has 16 divisors (see below), whose sum is σ = 1803320381520. Its totient is φ = 1007569474560.

The previous prime is 1379921741147. The next prime is 1379921741243. The reversal of 1379921741185 is 5811471299731.

It can be written as a sum of positive squares in 8 ways, for example, as 731804967936 + 648116773249 = 855456^2 + 805057^2 .

It is not a de Polignac number, because 1379921741185 - 2²⁹ = 1379384870273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119261436 + ... + 119273005.

It is an arithmetic number, because the mean of its divisors is an integer number (112707523845).

Almost surely, 2^{1379921741185} is an apocalyptic number.

It is an amenable number.

1379921741185 is a deficient number, since it is larger than the sum of its proper divisors (423398640335).

1379921741185 is a wasteful number, since it uses less digits than its factorization.

1379921741185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238534548.

The product of its digits is 3810240, while the sum is 58.

The spelling of 1379921741185 in words is "one trillion, three hundred seventy-nine billion, nine hundred twenty-one million, seven hundred forty-one thousand, one hundred eighty-five".