6419796161 has 2 divisors, whose sum is σ = 6419796162. Its totient is φ = 6419796160.

The previous prime is 6419796143. The next prime is 6419796167. The reversal of 6419796161 is 1616979146.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5739577600 + 680218561 = 75760^2 + 26081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6419796161 is a prime.

It is not a weakly prime, because it can be changed into another prime (6419796167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209898080 + 3209898081.

It is an arithmetic number, because the mean of its divisors is an integer number (3209898081).

Almost surely, 2^6419796161 is an apocalyptic number.

It is an amenable number.

6419796161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6419796161 is an equidigital number, since it uses as much as digits as its factorization.

6419796161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 6419796161 is about 80123.6304781554. The cubic root of 6419796161 is about 1858.5478472705.

The spelling of 6419796161 in words is "six billion, four hundred nineteen million, seven hundred ninety-six thousand, one hundred sixty-one".