409392097973 has 2 divisors, whose sum is σ = 409392097974. Its totient is φ = 409392097972.

The previous prime is 409392097901. The next prime is 409392098153. The reversal of 409392097973 is 379790293904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376906361329 + 32485736644 = 613927^2 + 180238^2 .

It is a cyclic number.

It is not a de Polignac number, because 409392097973 - 2¹⁴ = 409392081589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409392097073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204696048986 + 204696048987.

It is an arithmetic number, because the mean of its divisors is an integer number (204696048987).

Almost surely, 2^409392097973 is an apocalyptic number.

It is an amenable number.

409392097973 is a deficient number, since it is larger than the sum of its proper divisors (1).

409392097973 is an equidigital number, since it uses as much as digits as its factorization.

409392097973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23147208, while the sum is 62.

The spelling of 409392097973 in words is "four hundred nine billion, three hundred ninety-two million, ninety-seven thousand, nine hundred seventy-three".