6813612380 has 12 divisors (see below), whose sum is σ = 14308586040. Its totient is φ = 2725444944.

The previous prime is 6813612367. The next prime is 6813612383. The reversal of 6813612380 is 832163186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813612383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170340290 + ... + 170340329.

It is an arithmetic number, because the mean of its divisors is an integer number (1192382170).

Almost surely, 2^6813612380 is an apocalyptic number.

It is an amenable number.

6813612380 is an abundant number, since it is smaller than the sum of its proper divisors (7494973660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6813612380 is a wasteful number, since it uses less digits than its factorization.

6813612380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340680628 (or 340680626 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6813612380 is about 82544.6084247784. The cubic root of 6813612380 is about 1895.7998057987.

The spelling of 6813612380 in words is "six billion, eight hundred thirteen million, six hundred twelve thousand, three hundred eighty".