6410021197 has 2 divisors, whose sum is σ = 6410021198. Its totient is φ = 6410021196.

The previous prime is 6410021171. The next prime is 6410021201. The reversal of 6410021197 is 7911200146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6262981321 + 147039876 = 79139^2 + 12126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6410021197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6410021147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205010598 + 3205010599.

It is an arithmetic number, because the mean of its divisors is an integer number (3205010599).

Almost surely, 2^6410021197 is an apocalyptic number.

It is an amenable number.

6410021197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410021197 is an equidigital number, since it uses as much as digits as its factorization.

6410021197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 6410021197 is about 80062.6079827531. The cubic root of 6410021197 is about 1857.6040755212.

The spelling of 6410021197 in words is "six billion, four hundred ten million, twenty-one thousand, one hundred ninety-seven".