6999196427 has 4 divisors (see below), whose sum is σ = 7188363936. Its totient is φ = 6810028920.

The previous prime is 6999196423. The next prime is 6999196439. The reversal of 6999196427 is 7246919996.

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

It is a cyclic number.

It is not a de Polignac number, because 6999196427 - 2² = 6999196423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6999196427.

It is not an unprimeable number, because it can be changed into a prime (6999196423) 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, 94583699 + ... + 94583772.

It is an arithmetic number, because the mean of its divisors is an integer number (1797090984).

Almost surely, 2^6999196427 is an apocalyptic number.

6999196427 is a deficient number, since it is larger than the sum of its proper divisors (189167509).

6999196427 is a wasteful number, since it uses less digits than its factorization.

6999196427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189167508.

The product of its digits is 13226976, while the sum is 62.

The square root of 6999196427 is about 83661.2002483828. The cubic root of 6999196427 is about 1912.8579809308.

The spelling of 6999196427 in words is "six billion, nine hundred ninety-nine million, one hundred ninety-six thousand, four hundred twenty-seven".