1379412756489 has 4 divisors (see below), whose sum is σ = 1839217008656. Its totient is φ = 919608504324.

The previous prime is 1379412756473. The next prime is 1379412756503. The reversal of 1379412756489 is 9846572149731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1379412756489 - 2⁴ = 1379412756473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379412756389) 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, 229902126079 + ... + 229902126084.

It is an arithmetic number, because the mean of its divisors is an integer number (459804252164).

Almost surely, 2^{1379412756489} is an apocalyptic number.

It is an amenable number.

1379412756489 is a deficient number, since it is larger than the sum of its proper divisors (459804252167).

1379412756489 is an equidigital number, since it uses as much as digits as its factorization.

1379412756489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459804252166.

The product of its digits is 91445760, while the sum is 66.

The spelling of 1379412756489 in words is "one trillion, three hundred seventy-nine billion, four hundred twelve million, seven hundred fifty-six thousand, four hundred eighty-nine".