2380978693 has 4 divisors (see below), whose sum is σ = 2381421100. Its totient is φ = 2380536288.

The previous prime is 2380978679. The next prime is 2380978739. The reversal of 2380978693 is 3968790832.

It is a happy number.

2380978693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1552517604 + 828461089 = 39402^2 + 28783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2380978693 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 (2380978603) 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, 213030 + ... + 223927.

It is an arithmetic number, because the mean of its divisors is an integer number (595355275).

Almost surely, 2^2380978693 is an apocalyptic number.

It is an amenable number.

2380978693 is a deficient number, since it is larger than the sum of its proper divisors (442407).

2380978693 is an equidigital number, since it uses as much as digits as its factorization.

2380978693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442406.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 2380978693 is about 48795.2732649383. The cubic root of 2380978693 is about 1335.3194339108.

The spelling of 2380978693 in words is "two billion, three hundred eighty million, nine hundred seventy-eight thousand, six hundred ninety-three".