6739622783985 has 64 divisors (see below), whose sum is σ = 13331388284928. Its totient is φ = 2831219322624.

The previous prime is 6739622783963. The next prime is 6739622783987. The reversal of 6739622783985 is 5893872269376.

It is not a de Polignac number, because 6739622783985 - 2⁵ = 6739622783953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6739622783987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10766127 + ... + 11374916.

It is an arithmetic number, because the mean of its divisors is an integer number (208302941952).

Almost surely, 2^{6739622783985} is an apocalyptic number.

6739622783985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6739622783985 is a deficient number, since it is larger than the sum of its proper divisors (6591765500943).

6739622783985 is a wasteful number, since it uses less digits than its factorization.

6739622783985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22141294.

The product of its digits is 1646023680, while the sum is 75.

The spelling of 6739622783985 in words is "six trillion, seven hundred thirty-nine billion, six hundred twenty-two million, seven hundred eighty-three thousand, nine hundred eighty-five".