6421674097 has 2 divisors, whose sum is σ = 6421674098. Its totient is φ = 6421674096.

The previous prime is 6421674079. The next prime is 6421674107. The reversal of 6421674097 is 7904761246.

Together with previous prime (6421674079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6279611536 + 142062561 = 79244^2 + 11919^2 .

It is a cyclic number.

It is not a de Polignac number, because 6421674097 - 2⁷ = 6421673969 is a prime.

It is not a weakly prime, because it can be changed into another prime (6421674067) 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 as a sum of consecutive naturals, namely, 3210837048 + 3210837049.

It is an arithmetic number, because the mean of its divisors is an integer number (3210837049).

Almost surely, 2^6421674097 is an apocalyptic number.

It is an amenable number.

6421674097 is a deficient number, since it is larger than the sum of its proper divisors (1).

6421674097 is an equidigital number, since it uses as much as digits as its factorization.

6421674097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 6421674097 is about 80135.3486109594. The cubic root of 6421674097 is about 1858.7290520706.

The spelling of 6421674097 in words is "six billion, four hundred twenty-one million, six hundred seventy-four thousand, ninety-seven".