6780646119 has 16 divisors (see below), whose sum is σ = 9750240864. Its totient is φ = 4166736000.

The previous prime is 6780646111. The next prime is 6780646121. The reversal of 6780646119 is 9116460876.

It is a happy number.

It is not a de Polignac number, because 6780646119 - 2³ = 6780646111 is a prime.

It is a super-2 number, since 2×6780646119² = 91954323582219524322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780646111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96672 + ... + 151349.

It is an arithmetic number, because the mean of its divisors is an integer number (609390054).

Almost surely, 2^6780646119 is an apocalyptic number.

6780646119 is a deficient number, since it is larger than the sum of its proper divisors (2969594745).

6780646119 is a wasteful number, since it uses less digits than its factorization.

6780646119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248738.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 6780646119 is about 82344.6787533961. The cubic root of 6780646119 is about 1892.7373824630.

The spelling of 6780646119 in words is "six billion, seven hundred eighty million, six hundred forty-six thousand, one hundred nineteen".