6919677642 has 8 divisors (see below), whose sum is σ = 13839355296. Its totient is φ = 2306559212.

The previous prime is 6919677641. The next prime is 6919677731. The reversal of 6919677642 is 2467769196.

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

6919677642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6919677641) 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, 576639798 + ... + 576639809.

It is an arithmetic number, because the mean of its divisors is an integer number (1729919412).

Almost surely, 2^6919677642 is an apocalyptic number.

6919677642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6919677642 is a wasteful number, since it uses less digits than its factorization.

6919677642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153279612.

The product of its digits is 6858432, while the sum is 57.

The square root of 6919677642 is about 83184.5997886628. The cubic root of 6919677642 is about 1905.5862963473.

The spelling of 6919677642 in words is "six billion, nine hundred nineteen million, six hundred seventy-seven thousand, six hundred forty-two".