6120819705 has 128 divisors (see below), whose sum is σ = 13233217536. Its totient is φ = 2333030400.

The previous prime is 6120819703. The next prime is 6120819709. The reversal of 6120819705 is 5079180216.

It is not a de Polignac number, because 6120819705 - 2¹ = 6120819703 is a prime.

It is a super-2 number, since 2×6120819705² = 74928867722232574050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (6120819703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2506285 + ... + 2508725.

It is an arithmetic number, because the mean of its divisors is an integer number (103384512).

Almost surely, 2^6120819705 is an apocalyptic number.

6120819705 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6120819705 is an abundant number, since it is smaller than the sum of its proper divisors (7112397831).

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

6120819705 is a wasteful number, since it uses less digits than its factorization.

6120819705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 6120819705 is about 78235.6677289841. The cubic root of 6120819705 is about 1829.2365159984.

The spelling of 6120819705 in words is "six billion, one hundred twenty million, eight hundred nineteen thousand, seven hundred five".