6620292871 has 2 divisors, whose sum is σ = 6620292872. Its totient is φ = 6620292870.

The previous prime is 6620292853. The next prime is 6620292901. The reversal of 6620292871 is 1782920266.

6620292871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6620292871 - 2¹⁷ = 6620161799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6620292071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310146435 + 3310146436.

It is an arithmetic number, because the mean of its divisors is an integer number (3310146436).

Almost surely, 2^6620292871 is an apocalyptic number.

6620292871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6620292871 is an equidigital number, since it uses as much as digits as its factorization.

6620292871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6620292871 is about 81365.1821788657. The cubic root of 6620292871 is about 1877.6979585987.

The spelling of 6620292871 in words is "six billion, six hundred twenty million, two hundred ninety-two thousand, eight hundred seventy-one".