6218905494 has 16 divisors (see below), whose sum is σ = 12449203632. Its totient is φ = 2071069728.

The previous prime is 6218905489. The next prime is 6218905513. The reversal of 6218905494 is 4945098126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467589 + ... + 480704.

It is an arithmetic number, because the mean of its divisors is an integer number (778075227).

Almost surely, 2^6218905494 is an apocalyptic number.

6218905494 is an abundant number, since it is smaller than the sum of its proper divisors (6230298138).

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

6218905494 is a wasteful number, since it uses less digits than its factorization.

6218905494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949391.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 6218905494 is about 78860.0373700140. The cubic root of 6218905494 is about 1838.9559189664.

The spelling of 6218905494 in words is "six billion, two hundred eighteen million, nine hundred five thousand, four hundred ninety-four".