1379343971 has 8 divisors (see below), whose sum is σ = 1453568544. Its totient is φ = 1306307200.

The previous prime is 1379343947. The next prime is 1379343997. The reversal of 1379343971 is 1793439731.

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 1379343971 - 2¹⁰ = 1379342947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1379345971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294566 + ... + 299211.

It is an arithmetic number, because the mean of its divisors is an integer number (181696068).

Almost surely, 2^1379343971 is an apocalyptic number.

1379343971 is a deficient number, since it is larger than the sum of its proper divisors (74224573).

1379343971 is a wasteful number, since it uses less digits than its factorization.

1379343971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593901.

The product of its digits is 428652, while the sum is 47.

The square root of 1379343971 is about 37139.5203388520. The cubic root of 1379343971 is about 1113.1598330536.

The spelling of 1379343971 in words is "one billion, three hundred seventy-nine million, three hundred forty-three thousand, nine hundred seventy-one".