6813449514 has 64 divisors (see below), whose sum is σ = 16452096000. Its totient is φ = 2082198960.

The previous prime is 6813449509. The next prime is 6813449519. The reversal of 6813449514 is 4159443186.

6813449514 is a `hidden beast` number, since 68 + 1 + 34 + 49 + 514 = 666.

It is an interprime number because it is at equal distance from previous prime (6813449509) and next prime (6813449519).

It is a self number, because there is not a number n which added to its sum of digits gives 6813449514.

It is not an unprimeable number, because it can be changed into a prime (6813449519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75304 + ... + 138915.

It is an arithmetic number, because the mean of its divisors is an integer number (257064000).

Almost surely, 2^6813449514 is an apocalyptic number.

6813449514 is an abundant number, since it is smaller than the sum of its proper divisors (9638646486).

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

6813449514 is a wasteful number, since it uses less digits than its factorization.

6813449514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214280 (or 214274 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 6813449514 is about 82543.6218856430. The cubic root of 6813449514 is about 1895.7847005567.

The spelling of 6813449514 in words is "six billion, eight hundred thirteen million, four hundred forty-nine thousand, five hundred fourteen".