409426627 has 2 divisors, whose sum is σ = 409426628. Its totient is φ = 409426626.

The previous prime is 409426613. The next prime is 409426631. The reversal of 409426627 is 726624904.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-409426627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 409426627.

It is not a weakly prime, because it can be changed into another prime (409426637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204713313 + 204713314.

It is an arithmetic number, because the mean of its divisors is an integer number (204713314).

Almost surely, 2^409426627 is an apocalyptic number.

409426627 is a deficient number, since it is larger than the sum of its proper divisors (1).

409426627 is an equidigital number, since it uses as much as digits as its factorization.

409426627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 409426627 is about 20234.2933407619. The cubic root of 409426627 is about 742.5494165359.

The spelling of 409426627 in words is "four hundred nine million, four hundred twenty-six thousand, six hundred twenty-seven".