376444068139 has 4 divisors (see below), whose sum is σ = 376520757520. Its totient is φ = 376367378760.

The previous prime is 376444068103. The next prime is 376444068163. The reversal of 376444068139 is 931860444673.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 376444068139 - 2¹¹ = 376444066091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 376444068139.

It is not an unprimeable number, because it can be changed into a prime (376444068179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38337327 + ... + 38347144.

It is an arithmetic number, because the mean of its divisors is an integer number (94130189380).

Almost surely, 2^376444068139 is an apocalyptic number.

376444068139 is a deficient number, since it is larger than the sum of its proper divisors (76689381).

376444068139 is an equidigital number, since it uses as much as digits as its factorization.

376444068139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76689380.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 376444068139 in words is "three hundred seventy-six billion, four hundred forty-four million, sixty-eight thousand, one hundred thirty-nine".