6618714394 has 8 divisors (see below), whose sum is σ = 10076251968. Its totient is φ = 3259963740.

The previous prime is 6618714371. The next prime is 6618714437. The reversal of 6618714394 is 4934178166.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24696562 + ... + 24696829.

It is an arithmetic number, because the mean of its divisors is an integer number (1259531496).

Almost surely, 2^6618714394 is an apocalyptic number.

6618714394 is a deficient number, since it is larger than the sum of its proper divisors (3457537574).

6618714394 is a wasteful number, since it uses less digits than its factorization.

6618714394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49393460.

The product of its digits is 870912, while the sum is 49.

The square root of 6618714394 is about 81355.4816469056. The cubic root of 6618714394 is about 1877.5487135079.

The spelling of 6618714394 in words is "six billion, six hundred eighteen million, seven hundred fourteen thousand, three hundred ninety-four".