409801451 has 2 divisors, whose sum is σ = 409801452. Its totient is φ = 409801450.

The previous prime is 409801423. The next prime is 409801453. The reversal of 409801451 is 154108904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 409801451 - 2¹⁴ = 409785067 is a prime.

Together with 409801453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (409801453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204900725 + 204900726.

It is an arithmetic number, because the mean of its divisors is an integer number (204900726).

Almost surely, 2^409801451 is an apocalyptic number.

409801451 is a deficient number, since it is larger than the sum of its proper divisors (1).

409801451 is an equidigital number, since it uses as much as digits as its factorization.

409801451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 409801451 is about 20243.5533195138. The cubic root of 409801451 is about 742.7759450786.

The spelling of 409801451 in words is "four hundred nine million, eight hundred one thousand, four hundred fifty-one".