609418013 has 2 divisors, whose sum is σ = 609418014. Its totient is φ = 609418012.

The previous prime is 609417961. The next prime is 609418037. The reversal of 609418013 is 310814906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597460249 + 11957764 = 24443^2 + 3458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609418013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609418613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304709006 + 304709007.

It is an arithmetic number, because the mean of its divisors is an integer number (304709007).

Almost surely, 2^609418013 is an apocalyptic number.

It is an amenable number.

609418013 is a deficient number, since it is larger than the sum of its proper divisors (1).

609418013 is an equidigital number, since it uses as much as digits as its factorization.

609418013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 609418013 is about 24686.3932764590. The cubic root of 609418013 is about 847.8228077957.

The spelling of 609418013 in words is "six hundred nine million, four hundred eighteen thousand, thirteen".