1379203429 has 4 divisors (see below), whose sum is σ = 1379293740. Its totient is φ = 1379113120.

The previous prime is 1379203417. The next prime is 1379203433. The reversal of 1379203429 is 9243029731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 584527329 + 794676100 = 24177^2 + 28190^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379203429 - 2⁹ = 1379202917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1379203391 and 1379203400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379203459) 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, 15952 + ... + 54889.

It is an arithmetic number, because the mean of its divisors is an integer number (344823435).

Almost surely, 2^1379203429 is an apocalyptic number.

It is an amenable number.

1379203429 is a deficient number, since it is larger than the sum of its proper divisors (90311).

1379203429 is an equidigital number, since it uses as much as digits as its factorization.

1379203429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90310.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1379203429 is about 37137.6282091358. The cubic root of 1379203429 is about 1113.1220249781.

The spelling of 1379203429 in words is "one billion, three hundred seventy-nine million, two hundred three thousand, four hundred twenty-nine".