609694403 has 2 divisors, whose sum is σ = 609694404. Its totient is φ = 609694402.

The previous prime is 609694381. The next prime is 609694427. The reversal of 609694403 is 304496906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609694403 - 2¹⁰ = 609693379 is a prime.

It is not a weakly prime, because it can be changed into another prime (609694493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304847201 + 304847202.

It is an arithmetic number, because the mean of its divisors is an integer number (304847202).

Almost surely, 2^609694403 is an apocalyptic number.

609694403 is a deficient number, since it is larger than the sum of its proper divisors (1).

609694403 is an equidigital number, since it uses as much as digits as its factorization.

609694403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 609694403 is about 24691.9906649909. The cubic root of 609694403 is about 847.9509597508.

The spelling of 609694403 in words is "six hundred nine million, six hundred ninety-four thousand, four hundred three".