2198065451 has 2 divisors, whose sum is σ = 2198065452. Its totient is φ = 2198065450.

The previous prime is 2198065421. The next prime is 2198065453. The reversal of 2198065451 is 1545608912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2198065451 - 2²⁶ = 2130956587 is a prime.

Together with 2198065453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2198065399 and 2198065408.

It is not a weakly prime, because it can be changed into another prime (2198065453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099032725 + 1099032726.

It is an arithmetic number, because the mean of its divisors is an integer number (1099032726).

Almost surely, 2^2198065451 is an apocalyptic number.

2198065451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198065451 is an equidigital number, since it uses as much as digits as its factorization.

2198065451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 2198065451 is about 46883.5307010895. The cubic root of 2198065451 is about 1300.2101141644.

The spelling of 2198065451 in words is "two billion, one hundred ninety-eight million, sixty-five thousand, four hundred fifty-one".