1379425285391 has 8 divisors (see below), whose sum is σ = 1386306715440. Its totient is φ = 1372559767488.

The previous prime is 1379425285351. The next prime is 1379425285439. The reversal of 1379425285391 is 1935825249731.

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

It is a cyclic number.

It is not a de Polignac number, because 1379425285391 - 2²⁶ = 1379358176527 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 1379425285391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379425285351) 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 7 ways as a sum of consecutive naturals, for example, 3804206 + ... + 4151003.

It is an arithmetic number, because the mean of its divisors is an integer number (173288339430).

Almost surely, 2^{1379425285391} is an apocalyptic number.

1379425285391 is a deficient number, since it is larger than the sum of its proper divisors (6881430049).

1379425285391 is an equidigital number, since it uses as much as digits as its factorization.

1379425285391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956073.

The product of its digits is 16329600, while the sum is 59.

The spelling of 1379425285391 in words is "one trillion, three hundred seventy-nine billion, four hundred twenty-five million, two hundred eighty-five thousand, three hundred ninety-one".