6983374385 has 16 divisors (see below), whose sum is σ = 9046768080. Its totient is φ = 5144325120.

The previous prime is 6983374381. The next prime is 6983374417. The reversal of 6983374385 is 5834733896.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 437269921 + 6546104464 = 20911^2 + 80908^2 .

It is not a de Polignac number, because 6983374385 - 2² = 6983374381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6983374385.

It is not an unprimeable number, because it can be changed into a prime (6983374381) 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, 104756 + ... + 157925.

It is an arithmetic number, because the mean of its divisors is an integer number (565423005).

Almost surely, 2^6983374385 is an apocalyptic number.

6983374385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6983374385 is a deficient number, since it is larger than the sum of its proper divisors (2063393695).

6983374385 is a wasteful number, since it uses less digits than its factorization.

6983374385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263108.

The product of its digits is 13063680, while the sum is 56.

The square root of 6983374385 is about 83566.5865343320. The cubic root of 6983374385 is about 1911.4155223215.

The spelling of 6983374385 in words is "six billion, nine hundred eighty-three million, three hundred seventy-four thousand, three hundred eighty-five".