1379530719 has 12 divisors (see below), whose sum is σ = 2277320656. Its totient is φ = 788303232.

The previous prime is 1379530717. The next prime is 1379530729. The reversal of 1379530719 is 9170359731.

It is not a de Polignac number, because 1379530719 - 2¹ = 1379530717 is a prime.

It is a super-2 number, since 2×1379530719² = 3806210009329313922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379530717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10948594 + ... + 10948719.

Almost surely, 2^1379530719 is an apocalyptic number.

1379530719 is a deficient number, since it is larger than the sum of its proper divisors (897789937).

1379530719 is a wasteful number, since it uses less digits than its factorization.

1379530719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21897326 (or 21897323 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 45.

The square root of 1379530719 is about 37142.0343950086. The cubic root of 1379530719 is about 1113.2100673186.

The spelling of 1379530719 in words is "one billion, three hundred seventy-nine million, five hundred thirty thousand, seven hundred nineteen".