1380684893 has 16 divisors (see below), whose sum is σ = 1619397120. Its totient is φ = 1152503856.

The previous prime is 1380684887. The next prime is 1380684911. The reversal of 1380684893 is 3984860831.

It is not a de Polignac number, because 1380684893 - 2⁶ = 1380684829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380684803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97838 + ... + 111056.

It is an arithmetic number, because the mean of its divisors is an integer number (101212320).

Almost surely, 2^1380684893 is an apocalyptic number.

It is an amenable number.

1380684893 is a deficient number, since it is larger than the sum of its proper divisors (238712227).

1380684893 is a wasteful number, since it uses less digits than its factorization.

1380684893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13616.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 1380684893 is about 37157.5684484332. The cubic root of 1380684893 is about 1113.5204337227.

The spelling of 1380684893 in words is "one billion, three hundred eighty million, six hundred eighty-four thousand, eight hundred ninety-three".