6820291045 has 8 divisors (see below), whose sum is σ = 8220405024. Its totient is φ = 5432195664.

The previous prime is 6820291003. The next prime is 6820291057. The reversal of 6820291045 is 5401920286.

6820291045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6820291045 - 2¹¹ = 6820288997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6820290995 and 6820291013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003399 + ... + 3005668.

It is an arithmetic number, because the mean of its divisors is an integer number (1027550628).

Almost surely, 2^6820291045 is an apocalyptic number.

It is an amenable number.

6820291045 is a deficient number, since it is larger than the sum of its proper divisors (1400113979).

6820291045 is a wasteful number, since it uses less digits than its factorization.

6820291045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009299.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 6820291045 is about 82585.0533995105. The cubic root of 6820291045 is about 1896.4190210046.

The spelling of 6820291045 in words is "six billion, eight hundred twenty million, two hundred ninety-one thousand, forty-five".