1379203453439 has 4 divisors (see below), whose sum is σ = 1576232518224. Its totient is φ = 1182174388656.

The previous prime is 1379203453423. The next prime is 1379203453451. The reversal of 1379203453439 is 9343543029731.

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 1379203453439 - 2⁴ = 1379203453423 is a prime.

It is a super-3 number, since 3×1379203453439³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379203453499) 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, 98514532382 + ... + 98514532395.

It is an arithmetic number, because the mean of its divisors is an integer number (394058129556).

Almost surely, 2^{1379203453439} is an apocalyptic number.

1379203453439 is a deficient number, since it is larger than the sum of its proper divisors (197029064785).

1379203453439 is an equidigital number, since it uses as much as digits as its factorization.

1379203453439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197029064784.

The product of its (nonzero) digits is 7348320, while the sum is 53.

The spelling of 1379203453439 in words is "one trillion, three hundred seventy-nine billion, two hundred three million, four hundred fifty-three thousand, four hundred thirty-nine".