6514043894 has 8 divisors (see below), whose sum is σ = 9904916280. Its totient is φ = 3212405136.

The previous prime is 6514043873. The next prime is 6514043897. The reversal of 6514043894 is 4983404156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6514043897) 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, 22308224 + ... + 22308515.

It is an arithmetic number, because the mean of its divisors is an integer number (1238114535).

Almost surely, 2^6514043894 is an apocalyptic number.

6514043894 is a deficient number, since it is larger than the sum of its proper divisors (3390872386).

6514043894 is a wasteful number, since it uses less digits than its factorization.

6514043894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44616814.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 6514043894 is about 80709.6270218120. The cubic root of 6514043894 is about 1867.5986882586.

The spelling of 6514043894 in words is "six billion, five hundred fourteen million, forty-three thousand, eight hundred ninety-four".