6869420979 has 8 divisors (see below), whose sum is σ = 9698006160. Its totient is φ = 4310224896.

The previous prime is 6869420977. The next prime is 6869421049. The reversal of 6869420979 is 9790249686.

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

It is not a de Polignac number, because 6869420979 - 2¹ = 6869420977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6869420977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67347214 + ... + 67347315.

It is an arithmetic number, because the mean of its divisors is an integer number (1212250770).

Almost surely, 2^6869420979 is an apocalyptic number.

6869420979 is a deficient number, since it is larger than the sum of its proper divisors (2828585181).

6869420979 is a wasteful number, since it uses less digits than its factorization.

6869420979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134694549.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The square root of 6869420979 is about 82881.9701684269. The cubic root of 6869420979 is about 1900.9617456942.

The spelling of 6869420979 in words is "six billion, eight hundred sixty-nine million, four hundred twenty thousand, nine hundred seventy-nine".