6788013994 has 4 divisors (see below), whose sum is σ = 10182020994. Its totient is φ = 3394006996.

The previous prime is 6788013923. The next prime is 6788014019. The reversal of 6788013994 is 4993108876.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5178961225 + 1609052769 = 71965^2 + 40113^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697003497 + ... + 1697003500.

Almost surely, 2^6788013994 is an apocalyptic number.

6788013994 is a deficient number, since it is larger than the sum of its proper divisors (3394007000).

6788013994 is a wasteful number, since it uses less digits than its factorization.

6788013994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394006999.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 6788013994 is about 82389.4046221964. The cubic root of 6788013994 is about 1893.4226861044.

The spelling of 6788013994 in words is "six billion, seven hundred eighty-eight million, thirteen thousand, nine hundred ninety-four".